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Delete alias API

Removes a data stream or index from an alias.

DELETE my-data-stream/_alias/my-alias

Request

DELETE <target>/_alias/<alias>

DELETE <target>/_aliases/<alias>

Prerequisites

If the Elasticsearch security features are enabled, you must have the manage index privilege for the alias and it data streams or indices.

Path parameters

<alias>: (Required, string) Comma-separated list of aliases to remove. Supports wildcards (*). To remove all aliases, use * or _all.
<target>: (Required, string) Comma-separated list of data streams or indices used to limit the request. Supports wildcards (*).

Query parameters

master_timeout: (Optional, time units) Period to wait for a connection to the master node. If no response is received before the timeout expires, the request fails and returns an error. Defaults to 30s.
timeout: (Optional, time units) Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error. Defaults to 30s.

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https://www.elastic.co/guide/en/elasticsearch/reference/7.17/indices-delete-alias.html