Migration steps from Elasticsearch to Opensearch

OpenSearch
1

Hello Team,

Can someone please share migration steps for Elasticsearch to Opensearch, since I am new to both ES and OS.

Regards,
SAM

2

See:

1. Moving from open source Elasticsearch to OpenSearch
2. How to Migrate from Elasticsearch to OpenSearch (Opster)

1 Like
3

Hello @drjz

what if we dont have a snapshot backup how I can export ES data and import to OS

If you have any guide please help.

Regards,
Sameer

4

Without snapshots, you can do reindexing from remote: Reindex data - OpenSearch documentation

1 Like
5

When restore snapshot from Elasticsearch 7.17.12 to OpenSearch 2.x. facing below issue:
task_cancellation_monitoring_feature_present=true}]; nested: IndexShardRecoveryException[failed recovery]; nested: IndexShardRestoreFailedException[restore failed]; nested: IndexShardRestoreFailedException[failed to restore snapshot [rfs-snapshot/C57krZkATBqLGVejEx8BeQ]]; nested: OpenSearchParseException[unknown parameter [writer_uuid]];

how to resolve