2015-06-02 12:31:04 -04:00
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[[indices-shards-stores]]
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2019-10-01 17:07:28 -04:00
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=== Index shard stores API
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++++
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<titleabbrev>Index shard stores</titleabbrev>
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++++
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2015-06-02 12:31:04 -04:00
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2019-10-03 15:57:11 -04:00
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Returns store information
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about replica shards in one or more indices.
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2015-06-02 12:31:04 -04:00
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2019-10-03 15:57:11 -04:00
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[source,console]
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----
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GET /twitter/_shard_stores
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----
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// TEST[setup:twitter]
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[[index-shard-stores-api-request]]
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==== {api-request-title}
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`GET /<index>/_shard_stores`
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`GET /_shard_stores`
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[[index-shard-stores-api-desc]]
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==== {api-description-title}
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Use the index shard stores API to return store information
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about replica shards in one or more indices.
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Returned information includes:
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* The node on which each replica shard exists
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* Allocation ID for each replica shard
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* Unique ID for each replica shard
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* Any errors encountered
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while opening the shard index
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or from an earlier failure
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By default, the API only returns store information
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for primary shards that are unassigned
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or have one or more unassigned replica shards.
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[[index-shard-stores-api-path-params]]
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==== {api-path-parms-title}
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2020-06-01 19:42:53 -04:00
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include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=index]
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+
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To retrieve information for all indices in the cluster,
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use a value of `_all` or `*`
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or omit this parameter.
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[[index-shard-stores-api-query-params]]
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==== {api-query-parms-title}
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2020-06-01 19:42:53 -04:00
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include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=allow-no-indices]
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2020-02-24 05:57:32 -05:00
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+
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Defaults to `true`.
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2019-10-03 15:57:11 -04:00
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2020-06-01 19:42:53 -04:00
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include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=expand-wildcards]
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2019-10-03 15:57:11 -04:00
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+
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Defaults to `open`.
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2020-06-01 19:42:53 -04:00
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include::{es-repo-dir}/rest-api/common-parms.asciidoc[tag=index-ignore-unavailable]
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2019-10-03 15:57:11 -04:00
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`status`::
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+
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--
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(Optional, string)
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Comma-separated list of shard health statuses
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used to limit the request.
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2015-06-02 12:31:04 -04:00
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2019-10-03 15:57:11 -04:00
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Valid values include:
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`green`::
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The primary shard and all replica shards are assigned.
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`yellow`::
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One or more replica shards are unassigned.
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`red`::
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The primary shard is unassigned.
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`all`::
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Return all shards,
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regardless of health status.
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Defaults to `yellow,red`.
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--
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[[index-shard-stores-api-example]]
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==== {api-examples-title}
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[[index-shard-stores-api-single-ex]]
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===== Get shard store information for a specific index
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2015-06-02 12:31:04 -04:00
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2019-09-06 11:31:13 -04:00
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[source,console]
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2019-10-03 15:57:11 -04:00
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----
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2017-08-28 05:23:09 -04:00
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GET /test/_shard_stores
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2019-10-03 15:57:11 -04:00
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----
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// TEST[s/^/PUT test\n/]
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2017-08-28 05:23:09 -04:00
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2019-10-03 15:57:11 -04:00
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[[index-shard-stores-api-multi-ex]]
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===== Get shard store information for several indices
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[source,console]
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----
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GET /test1,test2/_shard_stores
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----
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// TEST[s/^/PUT test1\nPUT test2\n/]
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2017-08-28 05:23:09 -04:00
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2019-10-03 15:57:11 -04:00
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[[index-shard-stores-api-all-ex]]
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===== Get shard store information for all indices
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[source,console]
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----
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2017-08-28 05:23:09 -04:00
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GET /_shard_stores
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2019-10-03 15:57:11 -04:00
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----
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// TEST[continued]
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[[index-shard-stores-api-health-ex]]
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===== Get shard store information based on cluster health
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2015-06-02 12:31:04 -04:00
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2019-10-03 15:57:11 -04:00
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You can use the `status` query parameter
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to limit returned information based on shard health.
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The following request only returns information
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for assigned primary and replica shards.
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2015-06-02 12:31:04 -04:00
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2019-09-06 11:31:13 -04:00
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[source,console]
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2015-06-02 12:31:04 -04:00
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--------------------------------------------------
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2017-08-28 05:23:09 -04:00
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GET /_shard_stores?status=green
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2015-06-02 12:31:04 -04:00
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--------------------------------------------------
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2017-08-28 05:23:09 -04:00
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// TEST[setup:node]
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// TEST[s/^/PUT my-index\n{"settings":{"number_of_shards":1, "number_of_replicas": 0}}\nPOST my-index\/test\?refresh\n{"test": "test"}\n/]
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2015-06-02 12:31:04 -04:00
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2019-10-03 15:57:11 -04:00
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The API returns the following response:
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2015-06-02 12:31:04 -04:00
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2019-09-06 16:09:09 -04:00
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[source,console-result]
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2015-06-02 12:31:04 -04:00
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--------------------------------------------------
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{
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"indices": {
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"my-index": {
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"shards": {
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"0": { <1>
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"stores": [ <2>
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{
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"sPa3OgxLSYGvQ4oPs-Tajw": { <3>
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"name": "node_t0",
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"ephemeral_id" : "9NlXRFGCT1m8tkvYCMK-8A",
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"transport_address": "local[1]",
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"attributes": {}
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},
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"allocation_id": "2iNySv_OQVePRX-yaRH_lQ", <4>
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"allocation" : "primary|replica|unused" <5>
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"store_exception": ... <6>
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2015-06-02 12:31:04 -04:00
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}
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2017-08-28 05:23:09 -04:00
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]
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}
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}
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}
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}
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2015-06-02 12:31:04 -04:00
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}
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--------------------------------------------------
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2017-08-28 05:23:09 -04:00
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// TESTRESPONSE[s/"store_exception": \.\.\.//]
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// TESTRESPONSE[s/"sPa3OgxLSYGvQ4oPs-Tajw"/\$node_name/]
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// TESTRESPONSE[s/: "[^"]*"/: $body.$_path/]
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// TESTRESPONSE[s/"attributes": \{[^}]*\}/"attributes": $body.$_path/]
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2015-06-02 12:31:04 -04:00
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<1> The key is the corresponding shard id for the store information
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<2> A list of store information for all copies of the shard
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<3> The node information that hosts a copy of the store, the key
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is the unique node id.
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2016-01-26 10:40:02 -05:00
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<4> The allocation id of the store copy
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2017-02-08 04:00:55 -05:00
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<5> The status of the store copy, whether it is used as a
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primary, replica or not used at all
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2017-02-08 04:00:55 -05:00
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<6> Any exception encountered while opening the shard index or
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2015-06-02 12:31:04 -04:00
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from earlier engine failure
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