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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:
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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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