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https://issues.apache.org/jira/browse/HDDS-8314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hemant Kumar updated HDDS-8314:
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Summary: SnapDiff job and compaction DAG/SST file pruning synchronization
(was: SnapDiff job and compaction DAG/SST file pruning syncronization)
> SnapDiff job and compaction DAG/SST file pruning synchronization
> ----------------------------------------------------------------
>
> Key: HDDS-8314
> URL: https://issues.apache.org/jira/browse/HDDS-8314
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Hemant Kumar
> Assignee: Hemant Kumar
> Priority: Major
>
> Currently, it is possible that when snapDiff job is running we may loose some
> of compaction DAG if snapshots timing is overlapping with time by which
> snapshot becomes stale in compaction DAG.
> For example, if one or both of the snapshots of snapDiff job are 30 days old
> and compaction DAG pruning service is removing [30
> days|https://github.com/apache/ozone/blob/0ebb555fab01117dd568cafa70275acea398894c/hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/OzoneConfigKeys.java#L598-L604]
> older snapshots, we could be in that situation.
> This task is to introduce the read/write synchronization in compaction DAG.
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