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renshuki/elasticsearch-threadpool-size-details.md

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Elasticsearch threadpool size details using _cat/thread_pool API
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elasticsearch-threadpool-size-details.md

Run GET _cat/thread_pool?v&h=node_name,name,max,pool_size,size,type,queue_size

Gives you details on Elasticsearch threadpool size, type, queue_size.

Example output

node_name           name                                    max pool_size size type                  queue_size
instance-0000000009 analyze                                             0    1 fixed                         16
instance-0000000009 ccr                                                32   32 fixed                        100
instance-0000000009 fetch_shard_started                       4         0      scaling                       -1
instance-0000000009 fetch_shard_store                         4         0      scaling                       -1
instance-0000000009 flush                                     1         0      scaling                       -1
instance-0000000009 force_merge                                         0    1 fixed                         -1
instance-0000000009 generic                                 128         4      scaling                       -1
instance-0000000009 get                                                 0    2 fixed                       1000
instance-0000000009 listener                                            0    1 fixed                         -1
instance-0000000009 management                                5         3      scaling                       -1
instance-0000000009 ml_datafeed                             512         0      scaling                       -1
instance-0000000009 ml_job_comms                           2048         0      scaling                       -1
instance-0000000009 ml_utility                             2048         1      scaling                       -1
instance-0000000009 refresh                                   1         0      scaling                       -1
instance-0000000009 rollup_indexing                                     0    4 fixed                          4
instance-0000000009 search                                              0    4 fixed_auto_queue_size       1000
instance-0000000009 search_throttled                                    0    1 fixed_auto_queue_size        100
instance-0000000009 searchable_snapshots_cache_fetch_async   28         0      scaling                       -1
instance-0000000009 searchable_snapshots_cache_prewarming    16         0      scaling                       -1
instance-0000000009 security-crypto                                     0    1 fixed                       1000
instance-0000000009 security-token-key                                  0    1 fixed                       1000
instance-0000000009 snapshot                                  1         0      scaling                       -1
instance-0000000009 system_read                                         0    1 fixed                       2000
instance-0000000009 system_write                                        0    1 fixed                       1000
instance-0000000009 transform_indexing                                  0    4 fixed                          4
instance-0000000009 warmer                                    1         0      scaling                       -1
instance-0000000009 watcher                                             0    1 fixed                       1000
instance-0000000009 write                                               0    2 fixed                      10000
instance-0000000006 analyze                                             0    1 fixed                         16
instance-0000000006 ccr                                                32   32 fixed                        100
instance-0000000006 fetch_shard_started                       4         0      scaling                       -1
instance-0000000006 fetch_shard_store                         4         1      scaling                       -1
instance-0000000006 flush                                     1         1      scaling                       -1
instance-0000000006 force_merge                                         1    1 fixed                         -1
instance-0000000006 generic                                 128       128      scaling                       -1
instance-0000000006 get                                                 2    2 fixed                       1000
instance-0000000006 listener                                            0    1 fixed                         -1
instance-0000000006 management                                5         5      scaling                       -1
instance-0000000006 ml_datafeed                             512         0      scaling                       -1
instance-0000000006 ml_job_comms                           2048         0      scaling                       -1
instance-0000000006 ml_utility                             2048         2      scaling                       -1
instance-0000000006 refresh                                   1         1      scaling                       -1
instance-0000000006 rollup_indexing                                     0    4 fixed                          4
instance-0000000006 search                                              4    4 fixed_auto_queue_size       1000
instance-0000000006 search_throttled                                    0    1 fixed_auto_queue_size        100
instance-0000000006 searchable_snapshots_cache_fetch_async   28         0      scaling                       -1
instance-0000000006 searchable_snapshots_cache_prewarming    16         0      scaling                       -1
instance-0000000006 security-crypto                                     1    1 fixed                       1000
instance-0000000006 security-token-key                                  0    1 fixed                       1000
instance-0000000006 snapshot                                  1         1      scaling                       -1
instance-0000000006 system_read                                         1    1 fixed                       2000
instance-0000000006 system_write                                        1    1 fixed                       1000
instance-0000000006 transform_indexing                                  0    4 fixed                          4
instance-0000000006 warmer                                    1         1      scaling                       -1
instance-0000000006 watcher                                            10   10 fixed                       1000
instance-0000000006 write                                               2    2 fixed                      10000

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