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e542c03bea
This commit clarifies that on systemd the packages already set the number of threads for the Elasticsearch process. Relates #27840
16 lines
656 B
Plaintext
16 lines
656 B
Plaintext
[[max-number-of-threads]]
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=== Number of threads
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Elasticsearch uses a number of thread pools for different types of operations.
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It is important that it is able to create new threads whenever needed. Make
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sure that the number of threads that the Elasticsearch user can create is at
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least 4096.
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This can be done by setting <<ulimit,`ulimit -u 4096`>> as root before
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starting Elasticsearch, or by setting `nproc` to `4096` in
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<<limits.conf,`/etc/security/limits.conf`>>.
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The package distributions when run as services under `systemd` will configure
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the number of threads for the Elasticsearch process automatically. No
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additional configuration is required.
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