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64 lines
1.6 KiB
Markdown
64 lines
1.6 KiB
Markdown
---
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layout: default
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title: CAT thread pool
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parent: CAT API
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nav_order: 75
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has_children: false
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redirect_from:
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- /opensearch/rest-api/cat/cat-thread-pool/
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---
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# CAT thread pool
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**Introduced 1.0**
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{: .label .label-purple }
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The CAT thread pool operation lists the active, queued, and rejected threads of different thread pools on each node.
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## Example
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```
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GET _cat/thread_pool?v
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```
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{% include copy-curl.html %}
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If you want to get information for more than one thread pool, separate the thread pool names with commas:
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```
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GET _cat/thread_pool/thread_pool_name_1,thread_pool_name_2,thread_pool_name_3
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```
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{% include copy-curl.html %}
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If you want to limit the information to a specific thread pool, add the thread pool name after your query:
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```
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GET _cat/thread_pool/<thread_pool_name>?v
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```
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{% include copy-curl.html %}
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## Path and HTTP methods
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```
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GET _cat/thread_pool
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```
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## URL parameters
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All CAT thread pool URL parameters are optional.
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In addition to the [common URL parameters]({{site.url}}{{site.baseurl}}/api-reference/cat/index), you can specify the following parameters:
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Parameter | Type | Description
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:--- | :--- | :---
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local | Boolean | Whether to return information from the local node only instead of from the cluster_manager node. Default is false.
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cluster_manager_timeout | Time | The amount of time to wait for a connection to the cluster_manager node. Default is 30 seconds.
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## Response
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```json
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node_name name active queue rejected
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odfe-node2 ad-batch-task-threadpool 0 0 0
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odfe-node2 ad-threadpool 0 0 0
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odfe-node2 analyze 0 0 0s
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```
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