CAT thread pool

Introduced 1.0

The CAT thread pool operation lists the active, queued, and rejected threads of different thread pools on each node.

Path and HTTP methods

  1. GET _cat/thread_pool

URL parameters

All CAT thread pool URL parameters are optional.

In addition to the common URL parameters, you can specify the following parameters:

ParameterTypeDescription
localBooleanWhether to return information from the local node only instead of from the cluster manager node. Default is false.
cluster_manager_timeoutTimeThe amount of time to wait for a connection to the cluster manager node. Default is 30 seconds.

Example requests

The following example request gives information about thread pools on all nodes:

  1. GET _cat/thread_pool?v

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If you want to get information for more than one thread pool, separate the thread pool names with commas:

  1. GET _cat/thread_pool/thread_pool_name_1,thread_pool_name_2,thread_pool_name_3

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If you want to limit the information to a specific thread pool, add the thread pool name after your query:

  1. GET _cat/thread_pool/<thread_pool_name>?v

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Example response

  1. node_name  name                      active queue rejected
  2. odfe-node2 ad-batch-task-threadpool    0     0        0
  3. odfe-node2 ad-threadpool               0     0        0
  4. odfe-node2 analyze                     0     0        0s