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Elastic Docs ›Kibana Guide [8.15] ›REST API ›Upgrade assistant APIs

Start or resume reindex API

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Start or resume reindex API

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The underlying Upgrade Assistant concepts are stable, but the APIs for managing Upgrade Assistant are experimental.

Start a new reindex or resume a paused reindex. Following steps are performed during a reindex task:

  1. Setting the index to read-only
  2. Creating a new index
  3. Reindexing documents into the new index
  4. Creating an index alias for the new index
  5. Deleting the old index

Request

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POST <kibana host>:<port>/api/upgrade_assistant/reindex/myIndex

Response code

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200
Indicates a successful call.

Example

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The API returns the following:

{
  "indexName": ".ml-state",
  "newIndexName": ".reindexed-v7-ml-state", 
  "status": 0, 
  "lastCompletedStep": 0, 
  "reindexTaskId": null, 
  "reindexTaskPercComplete": null, 
  "errorMessage": null 
}

The name of the new index.

The reindex status. For more information, refer to Status codes.

The last successfully completed step of the reindex. For more information, refer to Step codes.

The task ID of the reindex task in Elasticsearch. Appears when the reindexing starts.

The progress of the reindexing task in Elasticsearch. Appears in decimal form, from 0 to 1.

The error that caused the reindex to fail, if it failed.
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