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Merged
merged 4 commits into from
Jul 25, 2025
Merged

add thread pool change availability #131734

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20c0106
write_coordination avail
shainaraskas Jul 22, 2025
9360818
add thread pool change availability info
shainaraskas Jul 22, 2025
7eceeb7
fix rendering issuez
shainaraskas Jul 25, 2025
edb0697
Merge branch 'main' into threadpool-setting-avail
shainaraskas Jul 25, 2025
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9 changes: 7 additions & 2 deletions docs/reference/elasticsearch/configuration-reference/thread-pool-settings.md
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Expand Up @@ -35,7 +35,12 @@ $$$search-throttled$$$`search_throttled`
`write`
: For write operations and ingest processors. Thread pool type is `fixed` with a size of [`# of allocated processors`](#node.processors), queue_size of `max(10000, (`[`# of allocated processors`](#node.processors)`* 750))`. The maximum size for this pool is `1 + `[`# of allocated processors`](#node.processors).

`write_coordination`
:::{note}
In {{stack}} 9.0 and earlier, the `write` thread pool was also used for bulk requests.
In {{stack}} 9.1 and earlier, the queue_size was 10000.
:::

`write_coordination` {applies_to}`stack: ga 9.1`
: For bulk request coordination operations. Thread pool type is `fixed` with a size of [`# of allocated processors`](#node.processors), queue_size of `10000`. The maximum size for this pool is `1 + `[`# of allocated processors`](#node.processors).

`snapshot`
Expand Down Expand Up @@ -74,7 +79,7 @@ $$$search-throttled$$$`search_throttled`
`system_write`
: For write operations on system indices. Thread pool type is `fixed` with a default maximum size of `min(5, (`[`# of allocated processors`](#node.processors)`) / 2)`.

`system_write_coordination`
`system_write_coordination` {applies_to}`stack: ga 9.1`
: For bulk request coordination operations on system indices. Thread pool type is `fixed` with a default maximum size of `min(5, (`[`# of allocated processors`](#node.processors)`) / 2)`.

`system_critical_read`
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