[jira] [Created] (HDFS-15497) Make snapshot limit on global as well per snapshot root directory configurable

["Shashikant Banerjee (Jira)" <ji...@apache.org>]

Shashikant Banerjee created HDFS-15497:
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             Summary: Make snapshot limit on global as well per snapshot root directory configurable
                 Key: HDFS-15497
                 URL: https://issues.apache.org/jira/browse/HDFS-15497
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: snapshots
    Affects Versions: 3.4.0
            Reporter: Shashikant Banerjee
            Assignee: Shashikant Banerjee


Currently, there is no configurable limit imposed on the no of snapshots remaining in the system neither on the filesystem level nor on a snaphottable root directory. Too many snapshots in the system can potentially bloat up the namespace and with ordered deletion feature on , too many snapshots per snapshottable root directory will make the deletion of the oldest snapshot more expensive. This Jira aims to impose these configurable limits .



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