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increase background_fetches_pool_size to 16, background_schedule_pool_size to 512

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Denny Crane 2023-09-05 15:24:21 -03:00
parent 46c62f4543
commit e1bc6cb0a7
3 changed files with 6 additions and 6 deletions
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4
docs/en/operations/server-configuration-parameters/settings.md
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@ -74,7 +74,7 @@ The maximum number of threads that will be used for fetching data parts from ano
Type: UInt64
Default: 8
Default: 16
## background_merges_mutations_concurrency_ratio
@ -136,7 +136,7 @@ The maximum number of threads that will be used for constantly executing some li
Type: UInt64
Default: 128
Default: 512
## backup_threads

4
docs/ru/operations/server-configuration-parameters/settings.md
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@ -993,7 +993,7 @@ ClickHouse использует потоки из глобального пул
- Положительное целое число.
Значение по умолчанию: 128.
Значение по умолчанию: 512.
## background_fetches_pool_size {#background_fetches_pool_size}
@ -1003,7 +1003,7 @@ ClickHouse использует потоки из глобального пул
- Положительное целое число.
Значение по умолчанию: 8.
Значение по умолчанию: 16.
## background_distributed_schedule_pool_size {#background_distributed_schedule_pool_size}

4
src/Core/ServerSettings.h
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@ -85,10 +85,10 @@ namespace DB
M(Float, background_merges_mutations_concurrency_ratio, 2, "The number of part mutation tasks that can be executed concurrently by each thread in background pool.", 0) \
M(String, background_merges_mutations_scheduling_policy, "round_robin", "The policy on how to perform a scheduling for background merges and mutations. Possible values are: `round_robin` and `shortest_task_first`. ", 0) \
M(UInt64, background_move_pool_size, 8, "The maximum number of threads that will be used for moving data parts to another disk or volume for *MergeTree-engine tables in a background.", 0) \
M(UInt64, background_fetches_pool_size, 8, "The maximum number of threads that will be used for fetching data parts from another replica for *MergeTree-engine tables in a background.", 0) \
M(UInt64, background_fetches_pool_size, 16, "The maximum number of threads that will be used for fetching data parts from another replica for *MergeTree-engine tables in a background.", 0) \
M(UInt64, background_common_pool_size, 8, "The maximum number of threads that will be used for performing a variety of operations (mostly garbage collection) for *MergeTree-engine tables in a background.", 0) \
M(UInt64, background_buffer_flush_schedule_pool_size, 16, "The maximum number of threads that will be used for performing flush operations for Buffer-engine tables in a background.", 0) \
M(UInt64, background_schedule_pool_size, 128, "The maximum number of threads that will be used for constantly executing some lightweight periodic operations.", 0) \
M(UInt64, background_schedule_pool_size, 512, "The maximum number of threads that will be used for constantly executing some lightweight periodic operations.", 0) \
M(UInt64, background_message_broker_schedule_pool_size, 16, "The maximum number of threads that will be used for executing background operations for message streaming.", 0) \
M(UInt64, background_distributed_schedule_pool_size, 16, "The maximum number of threads that will be used for executing distributed sends.", 0) \
M(Bool, display_secrets_in_show_and_select, false, "Allow showing secrets in SHOW and SELECT queries via a format setting and a grant", 0) \