elasticsearchHow do I backup an Elasticsearch index to a file?

Using the Elasticsearch snapshot and restore API, you can easily backup an Elasticsearch index to a file. The snapshot API allows you to take a backup of a cluster, a single index, or even multiple indices.

For example, to backup an index named my-index to a file, you can use the following API call:

PUT /_snapshot/my-backup/my-index-backup?wait_for_completion=true
{
  "indices": "my-index"
}

This will create a snapshot named my-index-backup in the repository my-backup. The wait_for_completion parameter ensures that the API call will wait until the snapshot is completed before returning.

To restore the index, you can use the following API call:

POST /_snapshot/my-backup/my-index-backup/_restore

This will restore the snapshot my-index-backup from the repository my-backup.

Helpful links

• Elasticsearch Snapshot and Restore API
• Elasticsearch Snapshot and Restore API Examples

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