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Posted to issues@ozone.apache.org by "Wei-Chiu Chuang (Jira)" <ji...@apache.org> on 2024/01/31 02:05:00 UTC

[jira] [Updated] (HDDS-9844) [hsync] De-synchronize hsync API

     [ https://issues.apache.org/jira/browse/HDDS-9844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wei-Chiu Chuang updated HDDS-9844:
----------------------------------
    Summary: [hsync] De-synchronize hsync API  (was: [hsync] Unsynchronize hsync API)

> [hsync] De-synchronize hsync API
> --------------------------------
>
>                 Key: HDDS-9844
>                 URL: https://issues.apache.org/jira/browse/HDDS-9844
>             Project: Apache Ozone
>          Issue Type: Sub-task
>            Reporter: Wei-Chiu Chuang
>            Assignee: Siyao Meng
>            Priority: Major
>
> The current hysnc implementation KeyOutputStream.hsync() is wrapped in a synchronized block. The HBase write ahead log FSHLog.SyncRunner has multiple threads invoking hsync in parallel to reduce client latency.
> We should unsynchronize Ozone's hsync such that it doesn't block waiting for the Ratis transaction to respond.
> cc: [~szetszwo] this is what we discussed offline.



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