# \#documentation **URL:** https://forum.opensearch.org/tag/documentation/35.md [Latest](https://forum.opensearch.org/latest.md) · [Categories](https://forum.opensearch.org/categories.md) · [Tags](https://forum.opensearch.org/tags.md) --- ## [Contrary to the docs, radial search seems to work on nested fields for the Lucene engine](https://forum.opensearch.org/t/contrary-to-the-docs-radial-search-seems-to-work-on-nested-fields-for-the-lucene-engine/27179)
**Author:** [@davidbkemp](https://forum.opensearch.org/u/davidbkemp)\ **Replies:** 1\ **Last updated:** [October 1, 2025, 8:41am UTC](https://forum.opensearch.org/t/contrary-to-the-docs-radial-search-seems-to-work-on-nested-fields-for-the-lucene-engine/27179 "2025-10-01T08:41:51Z")
Versions (relevant - OpenSearch/Dashboard/Server OS/Browser): 2.19 Describe the issue: The documentation for radial search includes a table that indicates that nested field radial search is not supported for the Lucene… --- ## [Looking for documentation for "if" parameter on ingest pipeline processor](https://forum.opensearch.org/t/looking-for-documentation-for-if-parameter-on-ingest-pipeline-processor/24133)
**Author:** [@SV\_observability](https://forum.opensearch.org/u/SV_observability)\ **Replies:** 1\ **Last updated:** [April 17, 2025, 2:41am UTC](https://forum.opensearch.org/t/looking-for-documentation-for-if-parameter-on-ingest-pipeline-processor/24133 "2025-04-17T02:41:43Z")
Versions (relevant - OpenSearch/Dashboard/Server OS/Browser): current Describe the issue: im looking for documentation of the if parameter which is shown on all the ingest processors eg Grok - OpenSearch Documentation … --- ## [Details on Query cache and Field data cache](https://forum.opensearch.org/t/details-on-query-cache-and-field-data-cache/21977)
**Author:** [@Ankita](https://forum.opensearch.org/u/Ankita)\ **Replies:** 1\ **Last updated:** [October 31, 2024, 11:04pm UTC](https://forum.opensearch.org/t/details-on-query-cache-and-field-data-cache/21977 "2024-10-31T23:04:42Z")
I don’t see much details about Query cache and Field data cache mentioned in the documentation. Can someone help me with relevant documents? --- ## [Question: Are the authc authentication domain names used in the security plugins config.yml arbitrary strings?](https://forum.opensearch.org/t/question-are-the-authc-authentication-domain-names-used-in-the-security-plugins-config-yml-arbitrary-strings/22066)
**Author:** [@jaimie.livingston](https://forum.opensearch.org/u/jaimie.livingston)\ **Replies:** 2\ **Last updated:** [October 24, 2024, 3:56pm UTC](https://forum.opensearch.org/t/question-are-the-authc-authentication-domain-names-used-in-the-security-plugins-config-yml-arbitrary-strings/22066 "2024-10-24T15:56:09Z")
Versions (relevant - OpenSearch/Dashboard/Server OS/Browser): Any Describe the issue: General Question: Are the authc authentication domain names used in the security plugins config.yml arbitrary strings? The docume… --- ## [Docker / Helm overwriting custom (certificate) configuration](https://forum.opensearch.org/t/docker-helm-overwriting-custom-certificate-configuration/21158)
**Author:** [@M\_Schmid](https://forum.opensearch.org/u/M_Schmid)\ **Replies:** 2\ **Last updated:** [September 5, 2024, 11:46am UTC](https://forum.opensearch.org/t/docker-helm-overwriting-custom-certificate-configuration/21158 "2024-09-05T11:46:26Z")
This is already the solution for the problem outlined in here. Versions (relevant - OpenSearch/Dashboard/Server OS/Browser): OpenSearch: 2.15.0 Helm Chart: 2.21.0 Describe the issue: Opensearch Helm chart provides t… --- ## [Logstash: space/cost of logs](https://forum.opensearch.org/t/logstash-space-cost-of-logs/21142)
**Author:** [@pineapples](https://forum.opensearch.org/u/pineapples)\ **Replies:** 1\ **Last updated:** [September 4, 2024, 7:40pm UTC](https://forum.opensearch.org/t/logstash-space-cost-of-logs/21142 "2024-09-04T19:40:13Z")
Hello! I would like to get some data (or approximate) on the cost of logging using LogStash; how much each every log costs, also in terms of CPU usage, space it takes up and in the backstore (gb?), etc. My organization … --- ## [Help understanding syntax options](https://forum.opensearch.org/t/help-understanding-syntax-options/20746)
**Author:** [@unusual334](https://forum.opensearch.org/u/unusual334)\ **Replies:** 2\ **Last updated:** [August 12, 2024, 7:06pm UTC](https://forum.opensearch.org/t/help-understanding-syntax-options/20746 "2024-08-12T19:06:34Z")
I’m trying to write queries but having to heavily rely on chatbots to understand what options are possible for aggregations. For example for the Range aggregation, how can I know that I can supply just the “to” value wit… --- ## [Audit log disabled categories, official documentation and audit.yml formatting are different](https://forum.opensearch.org/t/audit-log-disabled-categories-official-documentation-and-audit-yml-formatting-are-different/19926)
**Author:** [@Konnan](https://forum.opensearch.org/u/Konnan)\ **Replies:** 2\ **Last updated:** [June 25, 2024, 12:24pm UTC](https://forum.opensearch.org/t/audit-log-disabled-categories-official-documentation-and-audit-yml-formatting-are-different/19926 "2024-06-25T12:24:33Z")
Versions : OpenSearch 2.14 Describe the issue: I removed all audit logs categories from the disabled categories in the GUI. So far, it works well. I would like that the audit.yml file also has the same configuration th… --- ## [Skills plugin is not documented and caused a broken build](https://forum.opensearch.org/t/skills-plugin-is-not-documented-and-caused-a-broken-build/19603)
**Author:** [@AndreST](https://forum.opensearch.org/u/AndreST)\ **Replies:** 10\ **Last updated:** [May 31, 2024, 7:27am UTC](https://forum.opensearch.org/t/skills-plugin-is-not-documented-and-caused-a-broken-build/19603 "2024-05-31T07:27:51Z")
Hello, ich have noticed a Plugin called Skills was added with OpenSearch 2.12. Can anyone tell me what this is for? There is no hint in the repo (GitHub - opensearch-project/skills). There is no documentation. Why is … --- ## [Interdependent Plugins documentation](https://forum.opensearch.org/t/interdependent-plugins-documentation/19456)
**Author:** [@viv123](https://forum.opensearch.org/u/viv123)\ **Replies:** 0\ **Last updated:** [May 20, 2024, 5:42am UTC](https://forum.opensearch.org/t/interdependent-plugins-documentation/19456 "2024-05-20T05:42:46Z")
Hello, I am looking for documentation that details the interdependencies of plugins in OpenSearch and OpenSearch Dashboards. Specifically, I’m interested in understanding which plugins are required to work together to e… --- ## [New documentation home page design - request for feedback](https://forum.opensearch.org/t/new-documentation-home-page-design-request-for-feedback/17420)
**Author:** [@hdhalter](https://forum.opensearch.org/u/hdhalter)\ **Replies:** 7\ **Last updated:** [May 10, 2024, 5:21pm UTC](https://forum.opensearch.org/t/new-documentation-home-page-design-request-for-feedback/17420 "2024-05-10T17:21:27Z")
Hi all, we’ve recently updated our documentation home page and are looking for feedback. We’ve separated the Data Prepper, OpenSearch Benchmark, and Clients content from OpenSearch and OpenSearch Dashboards because their… --- ## [Doubtful about audit\_rest\_request\_method field availability in audit logs](https://forum.opensearch.org/t/doubtful-about-audit-rest-request-method-field-availability-in-audit-logs/17880)
**Author:** [@viv123](https://forum.opensearch.org/u/viv123)\ **Replies:** 1\ **Last updated:** [February 13, 2024, 4:28pm UTC](https://forum.opensearch.org/t/doubtful-about-audit-rest-request-method-field-availability-in-audit-logs/17880 "2024-02-13T16:28:47Z")
Versions (relevant - OpenSearch/Dashboard/Server OS/Browser): OpenSearch:2.11.0 Describe the issue: Upon enabling audit logging, the audit\_rest\_request\_method attribute becomes visible for all REST call audit logs. Ho… --- ## [Indexing long documents](https://forum.opensearch.org/t/indexing-long-documents/17731)
**Author:** [@aanastasiou](https://forum.opensearch.org/u/aanastasiou)\ **Replies:** 0\ **Last updated:** [February 5, 2024, 12:04pm UTC](https://forum.opensearch.org/t/indexing-long-documents/17731 "2024-02-05T12:04:18Z")
Is it possible to find out more information about how OpenSearch performs its indexing or retrieval when it comes to indexing longer documents? (That is, longer than a scientific abstract, for example). Longer document… --- ## [Empty document-level security statement causes filtering of results](https://forum.opensearch.org/t/empty-document-level-security-statement-causes-filtering-of-results/11504)
**Author:** [@Faiglindra](https://forum.opensearch.org/u/Faiglindra)\ **Replies:** 1\ **Last updated:** [October 27, 2023, 2:16pm UTC](https://forum.opensearch.org/t/empty-document-level-security-statement-causes-filtering-of-results/11504 "2023-10-27T14:16:52Z")
Versions: OpenSearch 1.3 on AWS OpenSearchDashboards 1.3.2 Describe the issue: I have a question or maybe an issue regarding document-level security statement in role definitons. I have a user mapped to a role. The …