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Posted to issues@ignite.apache.org by "Vladislav Pyatkov (Jira)" <ji...@apache.org> on 2024/03/20 07:53:00 UTC

[jira] [Assigned] (IGNITE-21798) Add properties to configure number of RAFT threads

     [ https://issues.apache.org/jira/browse/IGNITE-21798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladislav Pyatkov reassigned IGNITE-21798:
------------------------------------------

    Assignee: Vladislav Pyatkov

> Add properties to configure number of RAFT threads
> --------------------------------------------------
>
>                 Key: IGNITE-21798
>                 URL: https://issues.apache.org/jira/browse/IGNITE-21798
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Vladislav Pyatkov
>            Assignee: Vladislav Pyatkov
>            Priority: Major
>              Labels: ignite-3
>
> h3. Motivation
> We always have to work to reduce the number of threads in the product. In this case, we create a double CPU for each disruptor that is used in the replication layer. This is a lot of threads, and it is redundant in most cases. We have to create a property to regulate the number in a specific case.
> h3. Implementation notes
>  * The default number of threads should stay the same until we don't have a test that shows a more stable value.
>  * *raft.stripes* is a startup configuration property to configure the number of stripes.
>  * *raft.logStripesCount* is a startup configuration property to configure the number of threads that are used to write WAL.
>  * *raft.logYieldStrategy* is a startup configuration property to use the Yield strategy for WAL writer threads.
> h3. Definition of done
> Prepare all the described system properties
> The task also assumes a throughput test scenario description



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