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Posted to issues@ozone.apache.org by "Attila Doroszlai (Jira)" <ji...@apache.org> on 2022/02/06 10:35:00 UTC

[jira] [Resolved] (HDDS-6238) OM performance: Improve memory management of deleted object tracking during listing.

     [ https://issues.apache.org/jira/browse/HDDS-6238?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Attila Doroszlai resolved HDDS-6238.
------------------------------------
    Fix Version/s: 1.3.0
       Resolution: Fixed

bq. If the pending keys to be flushed grows and includes a lot of deletes, list operations can grow the memory quite a bit by caching deleted keys. The cache for deleted keys can be skipped entirely.

> OM performance: Improve memory management of deleted object tracking during listing.
> ------------------------------------------------------------------------------------
>
>                 Key: HDDS-6238
>                 URL: https://issues.apache.org/jira/browse/HDDS-6238
>             Project: Apache Ozone
>          Issue Type: Bug
>          Components: Ozone Manager
>            Reporter: Ritesh H Shukla
>            Assignee: Ritesh H Shukla
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.3.0
>
>         Attachments: image-2022-01-28-13-59-49-550.png
>
>
> During listing of keys the deleted keys are skipped. The current mechanism leads to bloat in memory, specially when there are multiple concurrent requests.
> !image-2022-01-28-13-59-49-550.png!



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