Srinivasu Majeti created HDFS-16148:
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Summary: Snapshots: An option to find how much space would be
freed up on deletion of a snapshot
Key: HDFS-16148
URL: https://issues.apache.org/jira/browse/HDFS-16148
Project: Hadoop HDFS
Issue Type: Improvement
Components: hdfs
Reporter: Srinivasu Majeti
Assignee: Shashikant Banerjee
We have been seeing lot of large clusters with lot of snapshots being around
not cleaned up on time and accumalating fsimage and heap memory etc etc. When
one wants to clean them up , there is no easy way today to know howmuch space
would be claimed before deleting a snapshot. It would be very ideal and user
friendly if there is a switch/option that could be introduced for du/count
commands under hdfs that gives clear picture of howmuch DFS space would be
claimed after deleting the snapshot.
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