49 lines
1.8 KiB
Markdown
49 lines
1.8 KiB
Markdown
---
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layout: default
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title: Force merge
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parent: Index Management
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nav_order: 30
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redirect_from:
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- /dashboards/admin-ui-index/forcemerge/
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---
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# Force merge
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Introduced 2.6
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{: .label .label-purple }
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OpenSearch Dashboards allows you to perform a [force merge]({{site.url}}{{site.baseurl}}/im-plugin/ism/error-prevention/index#force_merge) operation on two or more indexes with **Index Management**.
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## Force merging indexes
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To perform a force merge operation on two or more indexes, perform the following steps:
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1. Under **Index Management**, choose **Indices**.
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1. Select the indexes you want to force merge.
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1. Choose **Actions**, and then choose **Force merge**, as shown in the following image.
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1. Under **Configure source index**, specify the indexes you want to force merge.
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1. Optionally, under **Advanced settings** you can to choose to **Flush indices** or **Only expunge delete** and then specify the **Max number of segments** to merge to as shown in the following image.
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## Force merging data streams
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To perform a force merge operation on two or more indexes, perform the following steps:
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1. Under **Index Management**, choose **Data streams**.
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1. Select the data streams you want to force merge.
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1. Choose **Actions**, and then choose **Force merge**.
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1. Under **Configure source index**, specify the data streams you want to force merge.
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1. Optionally, under **Advanced settings** you can to choose to **Flush indices** or **Only expunge delete** and then specify the **Max number of segments** to merge to as shown in the following image.
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