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Posted to issues@ozone.apache.org by "Duong (Jira)" <ji...@apache.org> on 2022/09/15 23:01:00 UTC
[jira] [Assigned] (HDDS-6833) Reduce locking contention in OzoneManager
[ https://issues.apache.org/jira/browse/HDDS-6833?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Duong reassigned HDDS-6833:
---------------------------
Assignee: Duong
> Reduce locking contention in OzoneManager
> -----------------------------------------
>
> Key: HDDS-6833
> URL: https://issues.apache.org/jira/browse/HDDS-6833
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Rajesh Balamohan
> Assignee: Duong
> Priority: Major
> Labels: performance
> Attachments: Screenshot 2022-06-02 at 1.34.09 PM.png
>
>
> {color:#172b4d}This is based on a pure lookup test done based on "warp" client ([https://github.com/minio/warp).] Lookup test can be performed via "stat" option in warp.{color}
> *Issue:*
> *=====*
> OM's getBucketInfo(), infoVolume(), listKey() etc internally makes use of {{{}checkAcl{}}}.
> This internally uses "getVolumeOwner()" acquiring and releasing locks. Some of these getBucketInfo, infoVolume() information can be cached locally instead of locking/releasing everytime to substantially reduce lock contention. If needed, it can be invalidated after sometime.
>
> !Screenshot 2022-06-02 at 1.34.09 PM.png|width=1899,height=953!
>
>
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