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Posted to issues@ozone.apache.org by "Ethan Rose (Jira)" <ji...@apache.org> on 2023/05/24 20:27:00 UTC

[jira] [Commented] (HDDS-7366) Coordinate on demand and background container scanners

    [ https://issues.apache.org/jira/browse/HDDS-7366?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17725947#comment-17725947 ] 

Ethan Rose commented on HDDS-7366:
----------------------------------

Github PR linker was broken when this was posted, adding the PR link manually.

> Coordinate on demand and background container scanners
> ------------------------------------------------------
>
>                 Key: HDDS-7366
>                 URL: https://issues.apache.org/jira/browse/HDDS-7366
>             Project: Apache Ozone
>          Issue Type: Sub-task
>          Components: Ozone Datanode
>            Reporter: Ethan Rose
>            Assignee: Ethan Rose
>            Priority: Major
>
> Make sure that parallel scans of containers by the on demand and background scanners do not cause errors. The on demand container scanner is updating the last scanned timestamp of containers it processes. In the background scanner, skip scanning containers whose last scanned timestamp is within a certain time frame to avoid redundant work with the on demand scanner. Also skip scanning a container on demand if it was recently scanned based on its timestamp.



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