Splits an existing index into a new index with more primary shards Added in 6.1.0

POST /{index}/_split/{target}

Path parameters

  • index string Required

    Name of the source index to split.

  • target string Required

    Name of the target index to create.

Query parameters

  • master_timeout string

    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.

  • timeout string

    Period to wait for a response. If no response is received before the timeout expires, the request fails and returns an error.

  • wait_for_active_shards number | string

    The number of shard copies that must be active before proceeding with the operation. Set to all or any positive integer up to the total number of shards in the index (number_of_replicas+1).

application/json

Body

  • aliases object

    Aliases for the resulting index.

    Hide aliases attribute Show aliases attribute object
  • settings object

    Configuration options for the target index.

    Hide settings attribute Show settings attribute object
    • * object Additional properties

      Additional properties are allowed.

Responses

POST /{index}/_split/{target} 
curl \
 -X POST http://api.example.com/{index}/_split/{target} \
 -H "Content-Type: application/json" \
 -d '{"aliases":{"additionalProperty1":{"filter":{},"index_routing":"string","is_hidden":true,"is_write_index":true,"routing":"string","search_routing":"string"},"additionalProperty2":{"filter":{},"index_routing":"string","is_hidden":true,"is_write_index":true,"routing":"string","search_routing":"string"}},"settings":{"additionalProperty1":{},"additionalProperty2":{}}}'
Request examples 
{
  "aliases": {
    "additionalProperty1": {
      "filter": {},
      "index_routing": "string",
      "is_hidden": true,
      "is_write_index": true,
      "routing": "string",
      "search_routing": "string"
    },
    "additionalProperty2": {
      "filter": {},
      "index_routing": "string",
      "is_hidden": true,
      "is_write_index": true,
      "routing": "string",
      "search_routing": "string"
    }
  },
  "settings": {
    "additionalProperty1": {},
    "additionalProperty2": {}
  }
}
Response examples (200) 
{
  "acknowledged": true,
  "shards_acknowledged": true,
  "index": "string"
}