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https://issues.apache.org/jira/browse/HDFS-15481?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz-wo Sze updated HDFS-15481:
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Status: Patch Available (was: Open)
h15481_20200723.patch: add a gc thread to check and gc marked-as-deleted
snapshots.
> Ordered snapshot deletion: garbage collect deleted snapshots
> ------------------------------------------------------------
>
> Key: HDFS-15481
> URL: https://issues.apache.org/jira/browse/HDFS-15481
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: snapshots
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
> Attachments: h15481_20200723.patch
>
>
> When the earliest snapshot is actually deleted, if the subsequent snapshots
> are already marked as deleted, the subsequent snapshots can be also actually
> removed from the file system. In this JIRA, we implement a mechanism to
> garbage collect these snapshots.
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