[jira] [Resolved] (HDDS-3053) Decrease the number of the chunk writer threads

["Marton Elek (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-3053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marton Elek resolved HDDS-3053.
-------------------------------
    Fix Version/s: 0.6.0
       Resolution: Fixed

> Decrease the number of the chunk writer threads
> -----------------------------------------------
>
>                 Key: HDDS-3053
>                 URL: https://issues.apache.org/jira/browse/HDDS-3053
>             Project: Hadoop Distributed Data Store
>          Issue Type: Improvement
>            Reporter: Marton Elek
>            Assignee: Marton Elek
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.6.0
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> As of now we create 60 threads (
> dfs.container.ratis.num.write.chunk.threads) to write chunk data to the disk. As the write is limited by the IO I can't see any benefit to have so many threads. High number of thread means a high context switch overhead, therefore it seems to be more reasonable to use only a limited number of threads.
> For example 10 threads should be enough even with 5 external disk.
> If you know any reason to keep the number 60, please let me know...



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