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

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

Marton Elek created HDDS-3053:
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             Summary: 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


As of now we create 60 threads (
dfs.container.ratis.num.write.chunk.threads) to write chunk date 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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