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elasticsearchHow can I use the cat indices API in Elasticsearch?

The cat indices API in Elasticsearch can be used to retrieve and manage information about indices. It provides a simple way to get a list of all indices, or to filter the list to return only indices that match specific criteria.

For example, to get a list of all indices, you can use the following command:

GET /_cat/indices

The output of this command would look something like this:

health status index uuid pri rep docs.count docs.deleted store.size pri.store.size
green open   test_index   nE7K8l7QSVqH2X8N6KiM2w   5   1     0            0      5.2kb           5.2kb

Here are some of the parameters that can be used with the cat indices API:

  • h: used to specify the fields to be returned in the output
  • v: used to return the output in a verbose format
  • format: used to specify the output format, such as json, yaml, or text
  • s: used to sort the output by a specific field

For more information about the cat indices API, you can refer to the Elasticsearch documentation.

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