[Doc] new param in rollover action — copy_alias (#5173)

* [Doc] new param in rollover action — copy_alias Signed-off-by: bowenlan-amzn <[email protected]> * Apply suggestions from code review Signed-off-by: Naarcha-AWS <[email protected]> --------- Signed-off-by: bowenlan-amzn <[email protected]> Signed-off-by: Naarcha-AWS <[email protected]> Co-authored-by: Naarcha-AWS <[email protected]>
opensearch-project · Dec 20, 2023 · aed6db6 · aed6db6
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diff --git a/_im-plugin/ism/policies.md b/_im-plugin/ism/policies.md
@@ -274,6 +274,7 @@ Parameter | Description | Type | Example | Required
 `min_primary_shard_size` | The minimum storage size of a **single primary shard** required to roll over the index. For example, if you set `min_primary_shard_size` to 30 GiB and **one of** the primary shards in the index has a size greater than the condition, the rollover occurs. See **Important** note above. | `string` | `20gb` or `5mb` | No
 `min_doc_count` |  The minimum number of documents required to roll over the index. See **Important** note above. | `number` | `2000000` | No
 `min_index_age` |  The minimum age required to roll over the index. Index age is the time between its creation and the present. Supported units are `d` (days), `h` (hours), `m` (minutes), `s` (seconds), `ms` (milliseconds), and `micros` (microseconds). See **Important** note above. | `string` | `5d` or `7h` | No
+`copy_alias` | Controls whether to copy over all aliases from the current index to a newly created index. Defaults to `false`.  | `boolean` | `true` or `false` | No
 
 ```json
 {