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Posted to hdfs-dev@hadoop.apache.org by "Tsz-wo Sze (Jira)" <ji...@apache.org> on 2020/07/18 19:05:00 UTC

[jira] [Created] (HDFS-15477) Enforce in-order snapshot deletion

Tsz-wo Sze created HDFS-15477:
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             Summary: Enforce in-order snapshot deletion
                 Key: HDFS-15477
                 URL: https://issues.apache.org/jira/browse/HDFS-15477
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: snapshots
            Reporter: Tsz-wo Sze
            Assignee: Tsz-wo Sze


Snapshot deletion has caused a few bugs earlier such as HDFS-13101 and HDFS-15313.  In this JIRA, we propose enforcing in-order snapshot deletion -- only the earliest snapshot is actually deleted from the file system.  The other snapshots are only marked as deleted.  They will be actually deleted from the file system until all the earlier snapshots are deleted.





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