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https://issues.apache.org/jira/browse/HDDS-12562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang resolved HDDS-12562.
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Fix Version/s: 2.1.0
Resolution: Fixed
> Reclaimable Directory entry filter for reclaiming deleted directory entries
> ---------------------------------------------------------------------------
>
> Key: HDDS-12562
> URL: https://issues.apache.org/jira/browse/HDDS-12562
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Swaminathan Balachandran
> Assignee: Swaminathan Balachandran
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.1.0
>
>
> Currently deleted directory entries are reclaimed by just peeking into the
> previous snapshot without taking locks and the subdirectories and sub keys
> are never removed from the active om's directoryTable & fileTable. Whenever
> we are processing these deletes locks should be taken before deleting so that
> these don't work on inconsistent data.
> As part of this patch we implement ReclaimableDirectoryFilter which extends
> abstract class ReclaimableFilter and check whether this directory entry
> corresponding to the object exists in the previous snapshot's directory
> table.
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