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@ -15,5 +15,5 @@ title: Troubleshooting Elasticsearch
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When working with Elasticsearch, you might encounter issues with:
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- [Elasticsearch access](access.md)
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- [Elasticsearch indexing](indexing.md)
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- [Elasticsearch indexing and searching](indexing.md)
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- [Elasticsearch migrations](migrations.md)
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@ -2,7 +2,7 @@
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stage: Foundations
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group: Global Search
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info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://handbook.gitlab.com/handbook/product/ux/technical-writing/#assignments
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title: Troubleshooting Elasticsearch indexing
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title: Troubleshooting Elasticsearch indexing and searching
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---
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{{< details >}}
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@ -12,7 +12,7 @@ title: Troubleshooting Elasticsearch indexing
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{{< /details >}}
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When working with Elasticsearch indexing, you might encounter the following issues.
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When working with Elasticsearch indexing or searching, you might encounter the following issues.
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## Create an empty index
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@ -158,6 +158,16 @@ To resolve this error, disconnect one of the GitLab instances from using the Ela
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For more information, see [issue 3421](https://gitlab.com/gitlab-org/gitlab/-/issues/3421).
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## Search fails with `too_many_clauses: maxClauseCount is set to 1024`
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This error occurs when a query has more clauses than defined in the `indices.query.bool.max_clause_count` setting:
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- [In Elasticsearch 7.17 and earlier](https://www.elastic.co/guide/en/elasticsearch/reference/7.17/search-settings.html), the default value is `1024`.
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- [In Elasticsearch 8.0](https://www.elastic.co/guide/en/elasticsearch/reference/8.0/search-settings.html), the default value is `4096`.
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- [In Elasticsearch 8.1 and later](https://www.elastic.co/guide/en/elasticsearch/reference/8.1/search-settings.html), the setting is deprecated and the value is dynamically determined.
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To resolve this issue, increase the value or upgrade Elasticsearch 8.1 or later. Increasing the value may lead to performance degradation.
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## Last resort to recreate an index
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There may be cases where somehow data never got indexed and it's not in the
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