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[D&M] Updates the anomaly detection upgrade instructions #900

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Merged
merged 2 commits into from
Mar 25, 2025
Merged

[D&M] Updates the anomaly detection upgrade instructions #900

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[D&M] Updates the anomaly detection upgrade instructions.
szabosteve Mar 24, 2025
c0d6898
Merge branch 'main' into szabosteve/amend-ad-upgrade-guide
szabosteve Mar 25, 2025
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8 changes: 5 additions & 3 deletions deploy-manage/upgrade/prepare-to-upgrade.md
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Expand Up @@ -156,12 +156,13 @@ POST _create_from/.ml-anomalies-custom-example/.reindexed-v9-ml-anomalies-custom
}
```

2. Set the number of replicas to `0.`
2. Set the number of replicas to `0`. You must also set the `auto_expand_replicas` parameter to `false` to change the number of replicas:

```json
PUT /.reindexed-v9-ml-anomalies-custom-example/_settings
{
"index": {
"auto_expand_replicas": false,
"number_of_replicas": 0
}
}
Expand All @@ -187,13 +188,14 @@ POST _create_from/.ml-anomalies-custom-example/.reindexed-v9-ml-anomalies-custom
GET _tasks/<task_id>
```

4. Set the number of replicas to the original number when the reindexing is finished.
4. Set the number of replicas to the original number when the reindexing is finished. Optionally, you can set the `auto_expand_replicas` parameter back to its default value (`0-1`) to allow the number of replicas to be automatically adjusted based on the number of data nodes in the cluster.

```json
PUT /.reindexed-v9-ml-anomalies-custom-example/_settings
{
"index": {
"number_of_replicas": "<original_number_of_replicas>"
"number_of_replicas": "<original_number_of_replicas>",
"auto_expand_replicas": "0-1"
}
}
```
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