Unstable cluster and lagging non-stop however 30 nodes with 40 GB memory each

[Refky]

Hello
I have below issues and looking forward for your support
belows issues comes non stop

Versions (relevant - OpenSearch/Dashboard/Server OS/Browser):
1.3.12
kuernetes pod
linux os

Describe the issue:
1 : Publication of cluster state fails
2 : Failed to update shard information
3 : Received response for a request that has timed out ( monitor/nodes/stats)

Configuration:
first comment due to size

Relevant Logs or Screenshots:
1 : [2025-06-11T11:51:30,649][INFO ][o.o.c.c.C.CoordinatorPublication] [obf-opensearch-master-0] after [10s] publication of cluster state version [741497] is still waiting for {obf-opensearch-data-3}{2srbTeBwQ8aeNiiuX_qsyg}{0l57ibtMTByVvozGB4BJgw}{IP%eth0}{[IP]:9300}{dr}{shard_indexing_pressure_enabled=true} [SENT_PUBLISH_REQUEST]

2 : [2025-06-11T11:44:08,345][WARN ][o.o.c.InternalClusterInfoService] [obf-opensearch-master-0] Failed to update shard information for ClusterInfoUpdateJob within 15s timeout

3: [2025-06-11T11:50:25,082][WARN ][o.o.t.TransportService ] [obf-opensearch-master-0] Received response for a request that has timed out, sent [42220ms] ago, timed out [27213ms] ago, action [cluster:monitor/nodes/stats[n]], node [{obf-opensearch-data-25}{XVhbDscJRxGgbsLptPwb5g}{ze0fd2_HRdCuk1KoV2PcOw}{IP%eth0}{[IP]:9300}{dr}{shard_indexing_pressure_enabled=true}], id [851688]

[Refky]

1 configuration part 1

{
    "persistent": {
        "indices": {
            "breaker": {
                "request": {
                    "limit": "95%"
                }
            }
        },
        "plugins": {
            "index_state_management": {
                "template_migration": {
                    "control": "-1"
                }
            }
        }
    },
    "transient": {},
    "defaults": {
        "cluster": {
            "max_voting_config_exclusions": "10",
            "metadata": {
                "perf_analyzer": {
                    "config": {
                        "overrides": ""
                    },
                    "pa_node_stats_setting": "1",
                    "state": "0"
                }
            },
            "auto_shrink_voting_configuration": "true",
            "election": {
                "duration": "500ms",
                "initial_timeout": "100ms",
                "max_timeout": "10s",
                "back_off_time": "100ms",
                "strategy": "default"
            },
            "no_master_block": "write",
            "persistent_tasks": {
                "allocation": {
                    "enable": "all",
                    "recheck_interval": "30s"
                }
            },
            "blocks": {
                "read_only_allow_delete": "false",
                "read_only": "false"
            },
            "remote": {
                "node": {
                    "attr": ""
                },
                "initial_connect_timeout": "180s",
                "connect": "true",
                "connections_per_cluster": "3"
            },
            "follower_lag": {
                "timeout": "90000ms"
            },
            "routing": {
                "use_adaptive_replica_selection": "true",
                "rebalance": {
                    "enable": "all"
                },
                "allocation": {
                    "node_concurrent_incoming_recoveries": "2",
                    "move": {
                        "primary_first": "false"
                    },
                    "node_initial_primaries_recoveries": "4",
                    "same_shard": {
                        "host": "false"
                    },
                    "total_shards_per_node": "-1",
                    "cluster_concurrent_recoveries": "-1",
                    "shard_state": {
                        "reroute": {
                            "priority": "NORMAL"
                        }
                    },
                    "type": "balanced",
                    "disk": {
                        "threshold_enabled": "true",
                        "watermark": {
                            "flood_stage": "95%",
                            "high": "90%",
                            "low": "85%",
                            "enable_for_single_data_node": "false"
                        },
                        "include_relocations": "true",
                        "reroute_interval": "60s"
                    },
                    "node_initial_replicas_recoveries": "4",
                    "awareness": {
                        "attributes": []
                    },
                    "balance": {
                        "index": "0.55",
                        "threshold": "1.0",
                        "shard": "0.45"
                    },
                    "load_awareness": {
                        "allow_unassigned_primaries": "true",
                        "provisioned_capacity": "-1",
                        "skew_factor": "50.0"
                    },
                    "enable": "all",
                    "node_concurrent_outgoing_recoveries": "2",
                    "allow_rebalance": "indices_all_active",
                    "cluster_concurrent_rebalance": "10",
                    "node_concurrent_recoveries": "10"
                }
            },
            "indices": {
                "tombstones": {
                    "size": "500"
                },
                "close": {
                    "enable": "true"
                }
            },
            "nodes": {
                "reconnect_interval": "10s"
            },
            "service": {
                "slow_master_task_logging_threshold": "10s",
                "slow_task_logging_threshold": "30s"
            },
            "publish": {
                "timeout": "30000ms",
                "info_timeout": "10000ms"
            },
            "name": "opensearch-cluster",
            "fault_detection": {
                "leader_check": {
                    "interval": "60s",
                    "timeout": "120s",
                    "retry_count": "10"
                },
                "follower_check": {
                    "interval": "60s",
                    "timeout": "120s",
                    "retry_count": "10"
                }
            },
            "join": {
                "timeout": "60000ms"
            },
            "max_shards_per_node": "1000",
            "initial_master_nodes": [],
            "snapshot": {
                "info": {
                    "max_concurrent_fetches": "5"
                }
            },
            "info": {
                "update": {
                    "interval": "30s",
                    "timeout": "15s"
                }
            }
        },
        "opendistro": {
            "query": {
                "size_limit": "200"
            },
            "scheduled_jobs": {
                "request_timeout": "10s",
                "sweeper": {
                    "backoff_millis": "50ms",
                    "period": "5m",
                    "page_size": "100"
                },
                "enabled": "true",
                "retry_count": "3"
            },
            "asynchronous_search": {
                "max_wait_for_completion_timeout": "1m",
                "expired": {
                    "persisted_response": {
                        "cleanup_interval": "30m"
                    }
                },
                "max_search_running_time": "12h",
                "persist_search_failures": "false",
                "active": {
                    "context": {
                        "reaper_interval": "5m"
                    }
                },
                "node_concurrent_running_searches": "20",
                "max_keep_alive": "5d"
            },
            "destination": {
                "host": {
                    "deny_list": []
                }
            },
            "index_state_management": {
                "coordinator": {
                    "backoff_millis": "50ms",
                    "sweep_period": "10m",
                    "backoff_count": "2"
                },
                "metadata_service": {
                    "enabled": "true"
                },
                "allow_list": [
                    "allocation",
                    "close",
                    "delete",
                    "force_merge",
                    "index_priority",
                    "notification",
                    "open",
                    "read_only",
                    "read_write",
                    "replica_count",
                    "rollup",
                    "rollover",
                    "snapshot"
                ],
                "template_migration": {
                    "control": "0"
                },
                "history": {
                    "max_age": "24h",
                    "number_of_shards": "1",
                    "rollover_retention_period": "30d",
                    "rollover_check_period": "8h",
                    "max_docs": "2500000",
                    "number_of_replicas": "1",
                    "enabled": "true"
                },
                "job_interval": "5",
                "metadata_migration": {
                    "status": "0"
                },
                "enabled": "true",
                "snapshot": {
                    "deny_list": []
                }
            },
            "anomaly_detection": {
                "ad_result_history_rollover_period": "12h",
                "max_anomaly_features": "5",
                "breaker": {
                    "enabled": "true"
                },
                "request_timeout": "10s",
                "backoff_initial_delay": "1000ms",
                "batch_task_piece_size": "1000",
                "max_cache_miss_handling_per_second": "100",
                "enabled": "true",
                "max_batch_task_per_node": "10",
                "cooldown_minutes": "5m",
                "model_max_size_percent": "0.1",
                "max_primary_shards": "10",
                "ad_result_history_max_docs": "250000000",
                "ad_result_history_retention_period": "30d",
                "backoff_minutes": "15m",
                "detection_window_delay": "0m",
                "index_pressure_soft_limit": "0.8",
                "max_entities_for_preview": "30",
                "max_multi_entity_anomaly_detectors": "10",
                "max_entities_per_query": "1000",
                "max_retry_for_unresponsive_node": "5",
                "detection_interval": "10m",
                "batch_task_piece_interval_seconds": "5",
                "max_old_ad_task_docs_per_detector": "1",
                "max_retry_for_backoff": "3",
                "max_anomaly_detectors": "1000",
                "filter_by_backend_roles": "false"
            },
            "ppl": {
                "enabled": "true",
                "query": {
                    "memory_limit": "85%"
                }
            },
            "alerting": {
                "alert_backoff_millis": "50ms",
                "index_timeout": "60s",
                "move_alerts_backoff_count": "3",
                "alert_history_max_age": "30d",
                "request_timeout": "10s",
                "bulk_timeout": "120s",
                "destination": {
                    "allow_list": [
                        "chime",
                        "slack",
                        "custom_webhook",
                        "email",
                        "test_action"
                    ]
                },
                "monitor": {
                    "max_monitors": "1000"
                },
                "action_throttle_max_value": "24h",
                "alert_history_rollover_period": "12h",
                "alert_history_max_docs": "1000",
                "alert_backoff_count": "2",
                "move_alerts_backoff_millis": "250ms",
                "alert_history_retention_period": "60d",
                "alert_history_enabled": "true",
                "input_timeout": "30s",
                "filter_by_backend_roles": "false"
            },
            "jobscheduler": {
                "jitter_limit": "0.6",
                "request_timeout": "10s",
                "sweeper": {
                    "backoff_millis": "50ms",
                    "period": "5m",
                    "page_size": "100"
                },
                "threadpool": {
                    "queue_size": "200",
                    "size": "10"
                },
                "retry_count": "3"
            },
            "rollup": {
                "search": {
                    "backoff_millis": "1000ms",
                    "backoff_count": "5",
                    "enabled": "true"
                },
                "dashboards": {
                    "enabled": "true"
                },
                "enabled": "true",
                "ingest": {
                    "backoff_millis": "1000ms",
                    "backoff_count": "5"
                }
            },
            "sql": {
                "cursor": {
                    "enabled": "true",
                    "fetch_size": "1000",
                    "keep_alive": "1m"
                },
                "metrics": {
                    "rollinginterval": "60",
                    "rollingwindow": "3600"
                },
                "engine": {
                    "new": {
                        "enabled": "true"
                    }
                },
                "enabled": "true",
                "query": {
                    "analysis": {
                        "semantic": {
                            "threshold": "200",
                            "suggestion": "false"
                        },
                        "enabled": "false"
                    },
                    "slowlog": "2",
                    "response": {
                        "format": "jdbc"
                    }
                }
            }
        },
        "plugins": {
            "replication": {
                "leader": {
                    "thread_pool": {
                        "queue_size": "1000",
                        "size": "0"
                    }
                },
                "autofollow": {
                    "concurrent_replication_jobs_trigger_size": "3",
                    "fetch_poll_interval": "30s",
                    "retry_poll_interval": "1h"
                },
                "follower": {
                    "poll_interval": "50ms",
                    "concurrent_readers_per_shard": "2",
                    "concurrent_writers_per_shard": "2",
                    "index": {
                        "ops_batch_size": "50000",
                        "recovery": {
                            "chunk_size": "10mb",
                            "max_concurrent_file_chunks": "5"
                        }
                    },
                    "block": {
                        "start": "false"
                    },
                    "retention_lease_max_failure_duration": "1h",
                    "metadata_sync_interval": "60s"
                }
            },
            "security_config": {
                "ssl_dual_mode_enabled": "false"
            },
            "query": {
                "size_limit": "200",
                "memory_limit": "85%",
                "metrics": {
                    "rolling_interval": "60",
                    "rolling_window": "3600"
                }
            },
            "scheduled_jobs": {
                "request_timeout": "10s",
                "sweeper": {
                    "backoff_millis": "50ms",
                    "period": "5m",
                    "page_size": "100"
                },
                "enabled": "true",
                "retry_count": "3"
            },
            "asynchronous_search": {
                "max_wait_for_completion_timeout": "1m",
                "expired": {
                    "persisted_response": {
                        "cleanup_interval": "30m"
                    }
                },
                "max_search_running_time": "12h",
                "persist_search_failures": "false",
                "active": {
                    "context": {
                        "reaper_interval": "5m"
                    }
                },
                "node_concurrent_running_searches": "20",
                "max_keep_alive": "5d"
            },
            "destination": {
                "host": {
                    "deny_list": []
                }
            },
            "index_state_management": {
                "coordinator": {
                    "backoff_millis": "50ms",
                    "sweep_period": "10m",
                    "backoff_count": "2"
                },
                "jitter": "0.6",
                "metadata_service": {
                    "enabled": "true"
                },
                "restricted_index_pattern": "\\.opendistro_security|\\.kibana.*|\\.opendistro-ism-config",
                "allow_list": [
                    "allocation",
                    "close",
                    "delete",
                    "force_merge",
                    "index_priority",
                    "notification",
                    "open",
                    "read_only",
                    "read_write",
                    "replica_count",
                    "rollup",
                    "rollover",
                    "snapshot"
                ],
                "history": {
                    "max_age": "24h",
                    "number_of_shards": "1",
                    "rollover_retention_period": "30d",
                    "rollover_check_period": "8h",
                    "max_docs": "2500000",
                    "number_of_replicas": "1",
                    "enabled": "true"
                },
                "job_interval": "5",
                "metadata_migration": {
                    "status": "0"
                },
                "enabled": "true",
                "snapshot": {
                    "deny_list": []
                }
            },
            "ppl": {
                "enabled": "true"
            },
            "alerting": {
                "alert_backoff_millis": "50ms",
                "index_timeout": "60s",
                "move_alerts_backoff_count": "3",
                "alert_history_max_age": "30d",
                "request_timeout": "10s",
                "bulk_timeout": "120s",
                "destination": {
                    "allow_list": [
                        "chime",
                        "slack",
                        "custom_webhook",
                        "email",
                        "test_action"
                    ]
                },
                "monitor": {
                    "max_monitors": "1000"
                },
                "max_actionable_alert_count": "50",
                "action_throttle_max_value": "24h",
                "alert_history_rollover_period": "12h",
                "alert_history_max_docs": "1000",
                "alert_backoff_count": "2",
                "move_alerts_backoff_millis": "250ms",
                "alert_history_retention_period": "60d",
                "alert_history_enabled": "true",
                "input_timeout": "30s",
                "filter_by_backend_roles": "false"
            },
            "rollup": {
                "search": {
                    "backoff_millis": "1000ms",
                    "search_all_jobs": "false",
                    "backoff_count": "5",
                    "enabled": "true"
                },
                "dashboards": {
                    "enabled": "true"
                },
                "enabled": "true",
                "ingest": {
                    "backoff_millis": "1000ms",
                    "backoff_count": "5"
                }
            },
            "sql": {
                "cursor": {
                    "keep_alive": "1m"
                },
                "slowlog": "2",
                "delete": {
                    "enabled": "false"
                },
                "enabled": "true"
            },
            "transform": {
                "circuit_breaker": {
                    "jvm": {
                        "threshold": "85"
                    },
                    "enabled": "true"
                },
                "internal": {
                    "index": {
                        "backoff_millis": "1000ms",
                        "backoff_count": "5"
                    },
                    "search": {
                        "backoff_millis": "1000ms",
                        "backoff_count": "5"
                    }
                }
            },
            "index_management": {
                "filter_by_backend_roles": "false"
            },
            "anomaly_detection": {
                "entity_cold_start_queue_max_heap_percent": "0.001",
                "max_anomaly_features": "5",
                "breaker": {
                    "enabled": "true"
                },
                "request_timeout": "10s",
                "checkpoint_read_queue_max_heap_percent": "0.001",
                "max_batch_task_per_node": "10",
                "checkpoint_read_queue_batch_size": "25",
                "max_top_entities_for_historical_analysis": "1000",
                "cooldown_minutes": "5m",
                "model_max_size_percent": "0.1",
                "max_running_entities_per_detector_for_historical_analysis": "10",
                "page_size": "1000",
                "checkpoint_read_queue_concurrency": "1",
                "index_pressure_soft_limit": "0.6",
                "max_multi_entity_anomaly_detectors": "10",
                "max_entities_per_query": "1000000",
                "delete_anomaly_result_when_delete_detector": "false",
                "max_concurrent_preview": "2",
                "max_cached_deleted_tasks": "1000",
                "max_retry_for_unresponsive_node": "5",
                "entity_cold_start_queue_concurrency": "1",
                "ad_result_history_max_docs_per_shard": "1350000000",
                "batch_task_piece_interval_seconds": "5",
                "dedicated_cache_size": "10",
                "expected_cold_entity_execution_time_in_secs": "3",
                "filter_by_backend_roles": "false",
                "ad_result_history_rollover_period": "12h",
                "checkpoint_write_queue_concurrency": "2",
                "backoff_initial_delay": "1000ms",
                "batch_task_piece_size": "1000",
                "enabled": "true",
                "category_field_limit": "2",
                "checkpoint_write_queue_batch_size": "25",
                "result_write_queue_batch_size": "5000",
                "max_primary_shards": "10",
                "result_write_queue_concurrency": "2",
                "result_write_queue_max_heap_percent": "0.01",
                "cold_entity_queue_max_heap_percent": "0.001",
                "ad_result_history_retention_period": "30d",
                "backoff_minutes": "15m",
                "detection_window_delay": "0m",
                "checkpoint_write_queue_max_heap_percent": "0.01",
                "max_entities_for_preview": "5",
                "index_pressure_hard_limit": "0.9",
                "max_model_size_per_node": "100",
                "detection_interval": "10m",
                "max_old_ad_task_docs_per_detector": "1",
                "max_retry_for_backoff": "3",
                "max_anomaly_detectors": "1000"
            },
            "jobscheduler": {
                "jitter_limit": "0.6",
                "request_timeout": "10s",
                "sweeper": {
                    "backoff_millis": "50ms",
                    "period": "5m",
                    "page_size": "100"
                },
                "retry_count": "3"
            }
        },
        "logger": {
            "level": "INFO"
        },
        "bootstrap": {
            "memory_lock": "false",
            "system_call_filter": "true",
            "ctrlhandler": "true"
        },
        "processors": "10",
        "ingest": {
            "user_agent": {
                "cache_size": "1000"
            },
            "geoip": {
                "cache_size": "1000"
            },
            "grok": {
                "watchdog": {
                    "max_execution_time": "1s",
                    "interval": "1s"
                }
            }
        },
        "network": {
            "host": [
                "_global:ipv6_"
            ],
            "tcp": {
                "reuse_address": "true",
                "keep_count": "-1",
                "connect_timeout": "30s",
                "keep_interval": "-1",
                "no_delay": "true",
                "keep_alive": "true",
                "receive_buffer_size": "-1b",
                "keep_idle": "-1",
                "send_buffer_size": "-1b"
            },
            "bind_host": [
                "[::]"
            ],
            "server": "true",
            "breaker": {
                "inflight_requests": {
                    "limit": "100%",
                    "overhead": "2.0"
                }
            },
            "publish_host": [
                "_global:ipv6_"
            ]
        },
        "pidfile": "",
        "path": {
            "data": [],
            "logs": "/usr/share/opensearch/logs",
            "shared_data": "",
            "home": "/usr/share/opensearch",
            "repo": [
                "/mnt"
            ]
        },
        "search": {
            "default_search_timeout": "-1",
            "highlight": {
                "term_vector_multi_value": "true"
            },
            "cancel_after_time_interval": "-1",
            "default_allow_partial_results": "true",
            "max_open_scroll_context": "500",
            "max_buckets": "65535",
            "low_level_cancellation": "true",
            "allow_expensive_queries": "true",
            "keep_alive_interval": "1m",
            "remote": {
                "node": {
                    "attr": ""
                },
                "initial_connect_timeout": "30s",
                "connect": "true",
                "connections_per_cluster": "3"
            },
            "default_keep_alive": "5m",
            "max_keep_alive": "24h"
        },
        "security": {
            "manager": {
                "filter_bad_defaults": "true"
            }
        },
        "repositories": {
            "fs": {
                "compress": "false",
                "chunk_size": "9223372036854775807b",
                "location": ""
            },
            "url": {
                "supported_protocols": [
                    "http",
                    "https",
                    "ftp",
                    "file",
                    "jar"
                ],
                "allowed_urls": [],
                "url": "http:"
            }
        },
        "action": {
            "auto_create_index": "true",
            "search": {
                "shard_count": {
                    "limit": "9223372036854775807"
                }
            },
            "destructive_requires_name": "false"
        },
        "client": {
            "type": "node",
            "transport": {
                "ignore_cluster_name": "false",
                "nodes_sampler_interval": "5s",
                "sniff": "false",
                "ping_timeout": "5s"
            }
        },
        "opensearch_dashboards": {
            "system_indices": [
                ".opensearch_dashboards",
                ".opensearch_dashboards_*",
                ".reporting-*",
                ".apm-agent-configuration",
                ".apm-custom-link"
            ]
        },
        "ml": {
            "task_thread_pool": {
                "queue_size": "4",
                "size": "4"
            }
        },
        "opendistro_security_config": {
            "ssl_dual_mode_enabled": "false"
        },
        "rest": {
            "action": {
                "multi": {
                    "allow_explicit_index": "true"
                }
            }
        },
        "cache": {
            "recycler": {
                "page": {
                    "limit": {
                        "heap": "10%"
                    },
                    "type": "CONCURRENT",
                    "weight": {
                        "longs": "1.0",
                        "ints": "1.0",
                        "bytes": "1.0",
                        "objects": "0.1"
                    }
                }
            }
        },
        "reindex": {
            "remote": {
                "whitelist": [
                    "[240b:c020:102:5478:b422:0002:0000:0000]:30817"
                ]
            }
        },
        "replication_follower": {
            "core": "1",
            "max": "10",
            "keep_alive": "1m"
        },
        "resource": {
            "reload": {
                "enabled": "true",
                "interval": {
                    "low": "60s",
                    "high": "5s",
                    "medium": "30s"
                }
            }
        },
        "thread_pool": {
            "force_merge": {
                "queue_size": "-1",
                "size": "1"
            },
            "fetch_shard_started": {
                "core": "1",
                "max": "20",
                "keep_alive": "5m"
            },
            "listener": {
                "queue_size": "-1",
                "size": "5"
            },
            "refresh": {
                "core": "1",
                "max": "5",
                "keep_alive": "5m"
            },
            "system_write": {
                "queue_size": "1000",
                "size": "5"
            },
            "generic": {
                "core": "4",
                "max": "128",
                "keep_alive": "30s"
            },
            "warmer": {
                "core": "1",
                "max": "5",
                "keep_alive": "5m"
            },
            "search": {
                "max_queue_size": "1000",
                "queue_size": "1000",
                "size": "16",
                "auto_queue_frame_size": "2000",
                "target_response_time": "1s",
                "min_queue_size": "1000"
            },
            "opensearch_asynchronous_search_generic": {
                "core": "1",
                "max": "20",
                "keep_alive": "30m"
            },
            "fetch_shard_store": {
                "core": "1",
                "max": "20",
                "keep_alive": "5m"
            },
            "flush": {
                "core": "1",
                "max": "5",
                "keep_alive": "5m"
            },
            "management": {
                "core": "1",
                "max": "5",
                "keep_alive": "5m"
            },
            "analyze": {
                "queue_size": "16",
                "size": "1"
            },
            "get": {
                "queue_size": "1000",
                "size": "10"
            },
            "system_read": {
                "queue_size": "2000",
                "size": "5"
            },
            "estimated_time_interval": "200ms",
            "write": {
                "queue_size": "10000",
                "size": "11"
            },
            "snapshot": {
                "core": "1",
                "max": "5",
                "keep_alive": "5m"
            },
            "search_throttled": {
                "max_queue_size": "100",
                "queue_size": "100",
                "size": "1",
                "auto_queue_frame_size": "200",
                "target_response_time": "1s",
                "min_queue_size": "100"
            }
        },
        "index": {
            "codec": "default",
            "recovery": {
                "type": ""
            },
            "store": {
                "type": "",
                "fs": {
                    "fs_lock": "native"
                },
                "preload": []
            }
        },
        "knn": {
            "algo_param": {
                "index_thread_qty": "1"
            },
            "cache": {
                "item": {
                    "expiry": {
                        "enabled": "false",
                        "minutes": "3h"
                    }
                }
            },
            "memory": {
                "circuit_breaker": {
                    "limit": "50%",
                    "enabled": "true"
                }
            },
            "plugin": {
                "enabled": "true"
            },
            "queue_size": "1",
            "size": "1",
            "circuit_breaker": {
                "unset": {
                    "percentage": "75.0"
                },
                "triggered": "false"
            },
            "model": {
                "index": {
                    "number_of_shards": "1",
                    "number_of_replicas": "1"
                },
                "cache": {
                    "size": {
                        "limit": "10%"
                    }
                }
            }
        },
        "monitor": {
            "jvm": {
                "gc": {
                    "enabled": "true",
                    "overhead": {
                        "warn": "50",
                        "debug": "10",
                        "info": "25"
                    },
                    "refresh_interval": "1s"
                },
                "refresh_interval": "1s"
            },
            "process": {
                "refresh_interval": "1s"
            },
            "os": {
                "refresh_interval": "1s"
            },
            "fs": {
                "health": {
                    "healthy_timeout_threshold": "60s",
                    "refresh_interval": "60s",
                    "enabled": "true",
                    "slow_path_logging_threshold": "5s"
                },
                "refresh_interval": "1s"
            }
        },
        "replication_leader": {
            "queue_size": "1000",
            "size": "16"
        },

    }
}

[Refky]

configuration part 2

"transport": {
    "tcp": {
        "reuse_address": "true",
        "keep_count": "-1",
        "connect_timeout": "30s",
        "keep_interval": "-1",
        "compress": "false",
        "port": "9300-9400",
        "no_delay": "true",
        "keep_alive": "true",
        "receive_buffer_size": "-1b",
        "keep_idle": "-1",
        "send_buffer_size": "-1b"
    },
    "bind_host": [],
    "connect_timeout": "30s",
    "compress": "false",
    "ping_schedule": "-1",
    "connections_per_node": {
        "recovery": "2",
        "state": "1",
        "bulk": "3",
        "reg": "6",
        "ping": "1"
    },
    "tracer": {
        "include": [],
        "exclude": [
            "internal:discovery/zen/fd*",
            "internal:coordination/fault_detection/*",
            "cluster:monitor/nodes/liveness"
        ]
    },
    "type": "org.opensearch.security.ssl.http.netty.SecuritySSLNettyTransport",
    "slow_operation_logging_threshold": "5s",
    "type.default": "netty4",
    "port": "9300-9400",
    "host": [],
    "publish_port": "-1",
    "tcp_no_delay": "true",
    "publish_host": [],
    "netty": {
        "receive_predictor_size": "64kb",
        "receive_predictor_max": "64kb",
        "worker_count": "10",
        "receive_predictor_min": "64kb",
        "boss_count": "1"
    }
},
"script": {
    "allowed_contexts": [],
    "max_compilations_rate": "use-context",
    "cache": {
        "max_size": "100",
        "expire": "0ms"
    },
    "painless": {
        "regex": {
            "enabled": "limited",
            "limit-factor": "6"
        }
    },
    "max_size_in_bytes": "65535",
    "allowed_types": [],
    "disable_max_compilations_rate": "false"
},
"indexing_pressure": {
    "memory": {
        "limit": "20%"
    }
},
"node": {
    "data": "true",
    "roles": [
        "data",
        "remote_cluster_client"
    ],
    "max_local_storage_nodes": "1",
    "processors": "10",
    "store": {
        "allow_mmap": "true"
    },
    "ingest": "true",
    "master": "true",
    "pidfile": "",
    "remote_cluster_client": "true",
    "enable_lucene_segment_infos_trace": "false",
    "local_storage": "true",
    "name": "obf-opensearch-data-28",
    "id": {
        "seed": "0"
    },
    "attr": {
        "shard_indexing_pressure_enabled": "true"
    },
    "portsfile": "false"
},
"indices": {
    "replication": {
        "retry_timeout": "60s",
        "initial_retry_backoff_bound": "50ms"
    },
    "cache": {
        "cleanup_interval": "1m"
    },
    "mapping": {
        "dynamic_timeout": "30s",
        "max_in_flight_updates": "10"
    },
    "memory": {
        "interval": "5s",
        "max_index_buffer_size": "-1",
        "shard_inactive_time": "5m",
        "index_buffer_size": "20%",
        "min_index_buffer_size": "48mb"
    },
    "breaker": {
        "request": {
            "type": "memory",
            "overhead": "1.0"
        },
        "total": {
            "limit": "95%",
            "use_real_memory": "true"
        },
        "accounting": {
            "limit": "100%",
            "overhead": "1.0"
        },
        "fielddata": {
            "limit": "40%",
            "type": "memory",
            "overhead": "1.03"
        },
        "type": "hierarchy"
    },
    "query": {
        "bool": {
            "max_clause_count": "1024"
        },
        "query_string": {
            "analyze_wildcard": "false",
            "allowLeadingWildcard": "true"
        }
    },
    "id_field_data": {
        "enabled": "true"
    },
    "recovery": {
        "recovery_activity_timeout": "1800000ms",
        "retry_delay_network": "5s",
        "internal_action_timeout": "15m",
        "retry_delay_state_sync": "500ms",
        "internal_action_long_timeout": "1800000ms",
        "max_concurrent_operations": "1",
        "max_bytes_per_sec": "40mb",
        "max_concurrent_file_chunks": "2"
    },
    "requests": {
        "cache": {
            "size": "1%",
            "expire": "0ms"
        }
    },
    "store": {
        "delete": {
            "shard": {
                "timeout": "30s"
            }
        }
    },
    "analysis": {
        "hunspell": {
            "dictionary": {
                "ignore_case": "false",
                "lazy": "false"
            }
        }
    },
    "queries": {
        "cache": {
            "count": "10000",
            "size": "10%",
            "all_segments": "false"
        }
    },
    "fielddata": {
        "cache": {
            "size": "-1b"
        }
    }
},
"null": {
    "queue_size": "1000",
    "size": "10"
},
"plugin": {
    "mandatory": []
},
"opensearch": {
    "observability": {
        "general": {
            "operationTimeoutMs": "60000",
            "defaultItemsQueryCount": "1000"
        },
        "access": {
            "filterBy": "NoFilter",
            "ignoreRoles": [
                "own_index",
                "opensearch_dashboards_user",
                "notebooks_full_access",
                "notebooks_read_access"
            ],
            "adminAccess": "AllObservabilityObjects"
        },
        "polling": {
            "maxLockRetries": "4",
            "jobLockDurationSeconds": "300",
            "maxPollingDurationSeconds": "900",
            "minPollingDurationSeconds": "300"
        }
    },
    "reports": {
        "general": {
            "operationTimeoutMs": "60000",
            "defaultItemsQueryCount": "100"
        }
    },
    "ad": {
        "ad-threadpool": {
            "core": "1",
            "max": "5",
            "keep_alive": "10m"
        },
        "ad-batch-task-threadpool": {
            "core": "1",
            "max": "1",
            "keep_alive": "10m"
        }
    }
},
"discovery": {
    "seed_hosts": [
        "obf-opensearch-opensearch-headless"
    ],
    "unconfigured_bootstrap_timeout": "3s",
    "request_peers_timeout": "3000ms",
    "zen": {
        "commit_timeout": "30s",
        "no_master_block": "write",
        "join_retry_delay": "100ms",
        "join_retry_attempts": "3",
        "ping": {
            "unicast": {
                "concurrent_connects": "10",
                "hosts": [],
                "hosts.resolve_timeout": "5s"
            }
        },
        "master_election": {
            "ignore_non_master_pings": "false",
            "wait_for_joins_timeout": "30000ms"
        },
        "send_leave_request": "true",
        "ping_timeout": "3s",
        "bwc_ping_timeout": "3s",
        "join_timeout": "60000ms",
        "publish_diff": {
            "enable": "true"
        },
        "publish": {
            "max_pending_cluster_states": "25"
        },
        "minimum_master_nodes": "-1",
        "unsafe_rolling_upgrades_enabled": "true",
        "hosts_provider": [],
        "publish_timeout": "30s",
        "fd": {
            "connect_on_network_disconnect": "false",
            "ping_interval": "1s",
            "ping_retries": "3",
            "register_connection_listener": "true",
            "ping_timeout": "30s"
        },
        "max_pings_from_another_master": "3"
    },
    "initial_state_timeout": "30s",
    "cluster_formation_warning_timeout": "10000ms",
    "seed_providers": [],
    "type": "zen",
    "seed_resolver": {
        "max_concurrent_resolvers": "10",
        "timeout": "5s"
    },
    "find_peers_interval": "1000ms",
    "probe": {
        "connect_timeout": "3000ms",
        "handshake_timeout": "1000ms"
    }
},
"http": {
    "cors": {
        "max-age": "1728000",
        "allow-origin": "",
        "allow-headers": "X-Requested-With,Content-Type,Content-Length",
        "allow-credentials": "false",
        "allow-methods": "OPTIONS,HEAD,GET,POST,PUT,DELETE",
        "enabled": "false"
    },
    "max_chunk_size": "8kb",
    "compression_level": "3",
    "max_initial_line_length": "4kb",
    "type": "org.opensearch.security.http.SecurityHttpServerTransport",
    "pipelining": {
        "max_events": "10000"
    },
    "type.default": "netty4",
    "content_type": {
        "required": "true"
    },
    "host": [],
    "publish_port": "-1",
    "read_timeout": "0ms",
    "max_content_length": "100mb",
    "netty": {
        "receive_predictor_size": "64kb",
        "max_composite_buffer_components": "69905",
        "worker_count": "0"
    },
    "tcp": {
        "reuse_address": "true",
        "keep_count": "-1",
        "keep_interval": "-1",
        "no_delay": "true",
        "keep_alive": "true",
        "receive_buffer_size": "-1b",
        "keep_idle": "-1",
        "send_buffer_size": "-1b"
    },
    "bind_host": [],
    "reset_cookies": "false",
    "max_warning_header_count": "-1",
    "tracer": {
        "include": [],
        "exclude": []
    },
    "max_warning_header_size": "-1b",
    "detailed_errors": {
        "enabled": "true"
    },
    "port": "9200-9300",
    "max_header_size": "8kb",
    "tcp_no_delay": "true",
    "compression": "true",
    "publish_host": []
},
"shard_indexing_pressure": {
    "primary_parameter": {
        "node": {
            "soft_limit": "0.7"
        },
        "shard": {
            "min_limit": "0.001"
        }
    },
    "enforced": "false",
    "secondary_parameter": {
        "successful_request": {
            "max_outstanding_requests": "100",
            "elapsed_timeout": "300000ms"
        },
        "throughput": {
            "request_size_window": "2000",
            "degradation_factor": "5.0"
        }
    },
    "cache_store": {
        "max_size": "200"
    },
    "enabled": "false",
    "operating_factor": {
        "optimal": "0.85",
        "lower": "0.75",
        "upper": "0.95"
    }
},
"compatibility": {
    "override_main_response_version": "true"
},
"gateway": {
    "recover_after_master_nodes": "0",
    "expected_nodes": "-1",
    "recover_after_data_nodes": "-1",
    "expected_data_nodes": "-1",
    "write_dangling_indices_info": "true",
    "slow_write_logging_threshold": "10s",
    "recover_after_time": "0ms",
    "expected_master_nodes": "-1",
    "recover_after_nodes": "-1",
    "auto_import_dangling_indices": "false"
},
"snapshot": {
    "max_concurrent_operations": "1000"
}

[Refky]

3 : cluster details

{
  "_nodes" : {
    "total" : 33,
    "successful" : 29,
    "failed" : 4,
    "failures" : [
      {
        "type" : "failed_node_exception",
        "reason" : "Failed node [65qx3R4pRxOux7Dim9cjQw]",
        "node_id" : "65qx3R4pRxOux7Dim9cjQw",
        "caused_by" : {
          "type" : "receive_timeout_transport_exception",
          "reason" : "[obf-opensearch-data-0][[IP]:9300][cluster:monitor/stats[n]] request_id [10445288] timed out after [30063ms]"
        }
      },
      {
        "type" : "failed_node_exception",
        "reason" : "Failed node [zkPbFKMqRG6J-SfiKrDulw]",
        "node_id" : "zkPbFKMqRG6J-SfiKrDulw",
        "caused_by" : {
          "type" : "receive_timeout_transport_exception",
          "reason" : "[obf-opensearch-data-5][[IP]:9300][cluster:monitor/stats[n]] request_id [10445307] timed out after [30063ms]"
        }
      },
      {
        "type" : "failed_node_exception",
        "reason" : "Failed node [XtnsRgKCT_6BK0YdP3aT7w]",
        "node_id" : "XtnsRgKCT_6BK0YdP3aT7w",
        "caused_by" : {
          "type" : "receive_timeout_transport_exception",
          "reason" : "[obf-opensearch-data-21][[ip]:9300][cluster:monitor/stats[n]] request_id [10445312] timed out after [30063ms]"
        }
      },
      {
        "type" : "failed_node_exception",
        "reason" : "Failed node [CPaaibz1R6Ku7vUma7B2OQ]",
        "node_id" : "CPaaibz1R6Ku7vUma7B2OQ",
        "caused_by" : {
          "type" : "receive_timeout_transport_exception",
          "reason" : "[obf-opensearch-data-19][[IP]:9300][cluster:monitor/stats[n]] request_id [10445318] timed out after [30063ms]"
        }
      }
    ]
  },
  "cluster_name" : "opensearch-cluster",
  "cluster_uuid" : "WHtLg1kSROe_NRJTBiOrUg",
  "timestamp" : 1749643619395,
  "status" : "green",
  "indices" : {
    "count" : 5301,
    "shards" : {
      "total" : 8618,
      "primaries" : 4872,
      "replication" : 0.7688834154351396,
      "index" : {
        "shards" : {
          "min" : 1,
          "max" : 26,
          "avg" : 1.6257309941520468
        },
        "primaries" : {
          "min" : 0,
          "max" : 10,
          "avg" : 0.9190718732314658
        },
        "replication" : {
          "min" : 0.0,
          "max" : 25.0,
          "avg" : 0.6081425187820207
        }
      }
    },
    "docs" : {
      "count" : 2437087410,
      "deleted" : 68335964
    },
    "store" : {
      "size_in_bytes" : 1657372120362,
      "reserved_in_bytes" : 0
    },
    "fielddata" : {
      "memory_size_in_bytes" : 1254632,
      "evictions" : 0
    },
    "query_cache" : {
      "memory_size_in_bytes" : 13323903,
      "total_count" : 19816824,
      "hit_count" : 2311330,
      "miss_count" : 17505494,
      "cache_size" : 67662,
      "cache_count" : 493291,
      "evictions" : 425629
    },
    "completion" : {
      "size_in_bytes" : 0
    },
    "segments" : {
      "count" : 69117,
      "memory_in_bytes" : 1589209222,
      "terms_memory_in_bytes" : 1306665248,
      "stored_fields_memory_in_bytes" : 39451288,
      "term_vectors_memory_in_bytes" : 0,
      "norms_memory_in_bytes" : 185970432,
      "points_memory_in_bytes" : 0,
      "doc_values_memory_in_bytes" : 57122254,
      "index_writer_memory_in_bytes" : 558732868,
      "version_map_memory_in_bytes" : 2740678,
      "fixed_bit_set_memory_in_bytes" : 60088,
      "max_unsafe_auto_id_timestamp" : 1749637399261,
      "file_sizes" : { }
    },
    "mappings" : {
      "field_types" : [
        {
          "name" : "boolean",
          "count" : 1103,
          "index_count" : 573
        },
        {
          "name" : "date",
          "count" : 16656,
          "index_count" : 5424
        },
        {
          "name" : "float",
          "count" : 141,
          "index_count" : 33
        },
        {
          "name" : "geo_point",
          "count" : 1,
          "index_count" : 1
        },
        {
          "name" : "half_float",
          "count" : 12,
          "index_count" : 1
        },
        {
          "name" : "integer",
          "count" : 4151,
          "index_count" : 320
        },
        {
          "name" : "keyword",
          "count" : 198932,
          "index_count" : 5419
        },
        {
          "name" : "long",
          "count" : 6378,
          "index_count" : 1692
        },
        {
          "name" : "nested",
          "count" : 319,
          "index_count" : 319
        },
        {
          "name" : "object",
          "count" : 60697,
          "index_count" : 5366
        },
        {
          "name" : "text",
          "count" : 199189,
          "index_count" : 5401
        }
      ]
    },
    "analysis" : {
      "char_filter_types" : [ ],
      "tokenizer_types" : [ ],
      "filter_types" : [ ],
      "analyzer_types" : [ ],
      "built_in_char_filters" : [ ],
      "built_in_tokenizers" : [ ],
      "built_in_filters" : [ ],
      "built_in_analyzers" : [
        {
          "name" : "english",
          "count" : 1,
          "index_count" : 1
        }
      ]
    }
  },
  "nodes" : {
    "count" : {
      "total" : 29,
      "coordinating_only" : 0,
      "data" : 26,
      "ingest" : 0,
      "master" : 3,
      "remote_cluster_client" : 29
    },
    "versions" : [
      "1.3.12"
    ],
    "os" : {
      "available_processors" : 278,
      "allocated_processors" : 278,
      "names" : [
        {
          "name" : "Linux",
          "count" : 29
        }
      ],
      "pretty_names" : [
        {
          "pretty_name" : "Amazon Linux 2",
          "count" : 29
        }
      ],
      "mem" : {
        "total_in_bytes" : 1245540515840,
        "free_in_bytes" : 132636880896,
        "used_in_bytes" : 1112903634944,
        "free_percent" : 11,
        "used_percent" : 89
      }
    },
    "process" : {
      "cpu" : {
        "percent" : 633
      },
      "open_file_descriptors" : {
        "min" : 1241,
        "max" : 5154,
        "avg" : 4531
      }
    },
    "jvm" : {
      "max_uptime_in_millis" : 31039434,
      "versions" : [
        {
          "version" : "11.0.20",
          "vm_name" : "OpenJDK 64-Bit Server VM",
          "vm_version" : "11.0.20+8",
          "vm_vendor" : "Eclipse Adoptium",
          "bundled_jdk" : true,
          "using_bundled_jdk" : true,
          "count" : 29
        }
      ],
      "mem" : {
        "heap_used_in_bytes" : 333903295480,
        "heap_max_in_bytes" : 762356695040
      },
      "threads" : 2962
    },
    "fs" : {
      "total_in_bytes" : 27466855596032,
      "free_in_bytes" : 25408774692864,
      "available_in_bytes" : 24011618480128
    },
    "plugins" : [
      {
        "name" : "opensearch-security",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "Provide access control related features for OpenSearch",
        "classname" : "org.opensearch.security.OpenSearchSecurityPlugin",
        "custom_foldername" : "opensearch-security",
        "extended_plugins" : [ ],
        "has_native_controller" : false
      },
      {
        "name" : "opensearch-cross-cluster-replication",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "OpenSearch Cross Cluster Replication Plugin",
        "classname" : "org.opensearch.replication.ReplicationPlugin",
        "custom_foldername" : "",
        "extended_plugins" : [ ],
        "has_native_controller" : false
      },
      {
        "name" : "opensearch-reports-scheduler",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "Scheduler for Dashboards Reports Plugin",
        "classname" : "org.opensearch.reportsscheduler.ReportsSchedulerPlugin",
        "custom_foldername" : "",
        "extended_plugins" : [
          "opensearch-job-scheduler"
        ],
        "has_native_controller" : false
      },
      {
        "name" : "opensearch-alerting",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "Amazon OpenSearch alerting plugin",
        "classname" : "org.opensearch.alerting.AlertingPlugin",
        "custom_foldername" : "",
        "extended_plugins" : [
          "lang-painless"
        ],
        "has_native_controller" : false
      },
      {
        "name" : "opensearch-index-management",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "OpenSearch Index Management Plugin",
        "classname" : "org.opensearch.indexmanagement.IndexManagementPlugin",
        "custom_foldername" : "",
        "extended_plugins" : [
          "opensearch-job-scheduler"
        ],
        "has_native_controller" : false
      },
      {
        "name" : "opensearch-job-scheduler",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "OpenSearch Job Scheduler plugin",
        "classname" : "org.opensearch.jobscheduler.JobSchedulerPlugin",
        "custom_foldername" : "",
        "extended_plugins" : [ ],
        "has_native_controller" : false
      },
      {
        "name" : "opensearch-anomaly-detection",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "OpenSearch anomaly detector plugin",
        "classname" : "org.opensearch.ad.AnomalyDetectorPlugin",
        "custom_foldername" : "",
        "extended_plugins" : [
          "lang-painless",
          "opensearch-job-scheduler"
        ],
        "has_native_controller" : false
      },
      {
        "name" : "opensearch-performance-analyzer",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "OpenSearch Performance Analyzer Plugin",
        "classname" : "org.opensearch.performanceanalyzer.PerformanceAnalyzerPlugin",
        "custom_foldername" : "",
        "extended_plugins" : [ ],
        "has_native_controller" : false
      },
      {
        "name" : "opensearch-ml",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "machine learning plugin for opensearch",
        "classname" : "org.opensearch.ml.plugin.MachineLearningPlugin",
        "custom_foldername" : "",
        "extended_plugins" : [ ],
        "has_native_controller" : false
      },
      {
        "name" : "opensearch-asynchronous-search",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "Provides support for asynchronous search",
        "classname" : "org.opensearch.search.asynchronous.plugin.AsynchronousSearchPlugin",
        "custom_foldername" : "",
        "extended_plugins" : [ ],
        "has_native_controller" : false
      },
      {
        "name" : "opensearch-knn",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "OpenSearch k-NN plugin",
        "classname" : "org.opensearch.knn.plugin.KNNPlugin",
        "custom_foldername" : "",
        "extended_plugins" : [
          "lang-painless"
        ],
        "has_native_controller" : false
      },
      {
        "name" : "opensearch-observability",
        "version" : "1.3.12.0",
        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "OpenSearch Plugin for OpenSearch Dashboards Observability",
        "classname" : "org.opensearch.observability.ObservabilityPlugin",
        "custom_foldername" : "",
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        "has_native_controller" : false
      },
      {
        "name" : "opensearch-sql",
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        "opensearch_version" : "1.3.12",
        "java_version" : "1.8",
        "description" : "OpenSearch SQL",
        "classname" : "org.opensearch.sql.plugin.SQLPlugin",
        "custom_foldername" : "",
        "extended_plugins" : [ ],
        "has_native_controller" : false
      }
    ],
    "network_types" : {
      "transport_types" : {
        "org.opensearch.security.ssl.http.netty.SecuritySSLNettyTransport" : 29
      },
      "http_types" : {
        "org.opensearch.security.http.SecurityHttpServerTransport" : 29
      }
    },
    "discovery_types" : {
      "zen" : 29
    },
    "packaging_types" : [
      {
        "type" : "tar",
        "count" : 29
      }
    ],
    "ingest" : {
      "number_of_pipelines" : 0,
      "processor_stats" : { }
    }
  }
}

[Refky]

2 : stats sample output data node

{
  "_nodes" : {
    "total" : 33,
    "successful" : 32,
    "failed" : 1,
    "failures" : [
      {
        "type" : "failed_node_exception",
        "reason" : "Failed node [E1qlnLtEQU-Z3kYPOIhyww]",
        "node_id" : "E1qlnLtEQU-Z3kYPOIhyww",
        "caused_by" : {
          "type" : "receive_timeout_transport_exception",
          "reason" : "[obf-opensearch-data-24][[240b:c010:202:54cc:b454:2:0:4d28]:9300][cluster:monitor/nodes/stats[n]] request_id [8426817] timed out after [30014ms]"
        }
      }
    ]
  },
  "cluster_name" : "opensearch-cluster",
  "nodes" : {

    "j-bwMRhwQx6eyOgDyaYAtg" : {
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      "name" : "obf-opensearch-data-17",
      "transport_address" : "[240b:c010:202:54cc:b454:2:0:5b68]:9300",
      "host" : "240b:c010:202:54cc:b454:2:0:5b68%eth0",
      "ip" : "[240b:c010:202:54cc:b454:2:0:5b68]:9300",
      "roles" : [
        "data",
        "remote_cluster_client"
      ],
      "attributes" : {
        "shard_indexing_pressure_enabled" : "true"
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      "indices" : {
        "docs" : {
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          "deleted" : 5440695
        },
        "store" : {
          "size_in_bytes" : 66347571112,
          "reserved_in_bytes" : 0
        },
        "indexing" : {
          "index_total" : 80968042,
          "index_time_in_millis" : 23872320,
          "index_current" : 0,
          "index_failed" : 1,
          "delete_total" : 0,
          "delete_time_in_millis" : 0,
          "delete_current" : 0,
          "noop_update_total" : 0,
          "is_throttled" : false,
          "throttle_time_in_millis" : 0
        },
        "get" : {
          "total" : 19,
          "time_in_millis" : 89,
          "exists_total" : 18,
          "exists_time_in_millis" : 84,
          "missing_total" : 1,
          "missing_time_in_millis" : 5,
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        },
        "search" : {
          "open_contexts" : 331,
          "query_total" : 89700,
          "query_time_in_millis" : 388285,
          "query_current" : 0,
          "fetch_total" : 4259,
          "fetch_time_in_millis" : 8937,
          "fetch_current" : 0,
          "scroll_total" : 86616,
          "scroll_time_in_millis" : 5787690684,
          "scroll_current" : 331,
          "suggest_total" : 0,
          "suggest_time_in_millis" : 0,
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        },
        "merges" : {
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          "current_docs" : 0,
          "current_size_in_bytes" : 0,
          "total" : 42908,
          "total_time_in_millis" : 26827466,
          "total_docs" : 461168814,
          "total_size_in_bytes" : 172670784710,
          "total_stopped_time_in_millis" : 0,
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          "total_auto_throttle_in_bytes" : 8412568677
        },
        "refresh" : {
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          "total_time_in_millis" : 10966773,
          "external_total" : 2743275,
          "external_total_time_in_millis" : 11168863,
          "listeners" : 0
        },
        "flush" : {
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        },
        "warmer" : {
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          "total" : 279665,
          "total_time_in_millis" : 6622
        },
        "query_cache" : {
          "memory_size_in_bytes" : 190150,
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          "hit_count" : 97091,
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          "cache_count" : 21374,
          "evictions" : 18574
        },
        "fielddata" : {
          "memory_size_in_bytes" : 49824,
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        },
        "completion" : {
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        },
        "segments" : {
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          "memory_in_bytes" : 57151352,
          "terms_memory_in_bytes" : 46829608,
          "stored_fields_memory_in_bytes" : 1517736,
          "term_vectors_memory_in_bytes" : 0,
          "norms_memory_in_bytes" : 6647872,
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          "doc_values_memory_in_bytes" : 2156136,
          "index_writer_memory_in_bytes" : 17489526,
          "version_map_memory_in_bytes" : 64671,
          "fixed_bit_set_memory_in_bytes" : 2168,
          "max_unsafe_auto_id_timestamp" : 1749629911508,
          "file_sizes" : { }
        },
        "translog" : {
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        "request_cache" : {
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        "recovery" : {
          "current_as_source" : 0,
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          "throttle_time_in_millis" : 84
        }
      },
      "os" : {
        "timestamp" : 1749643419701,
        "cpu" : {
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          "load_average" : {
            "1m" : 16.59,
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            "15m" : 13.89
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        "mem" : {
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        "swap" : {
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        "cgroup" : {
          "cpuacct" : {
            "control_group" : "/",
            "usage_nanos" : 82576503152337
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          "cpu" : {
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            "cfs_period_micros" : 100000,
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          },
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      "process" : {
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      "jvm" : {
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        "uptime_in_millis" : 30524849,
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          "pools" : {
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              "peak_used_in_bytes" : 15980298240,
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              "last_gc_stats" : {
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                "usage_percent" : -1
              }
            },
            "old" : {
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            },
            "survivor" : {
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          }
        },
        "threads" : {
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        "gc" : {
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            },
            "old" : {
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        },
        "buffer_pools" : {
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        "fetch_shard_started" : {
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        "get" : {
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        "opensearch_asynchronous_search_generic" : {
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