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https://issues.apache.org/jira/browse/HADOOP-6080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12721420#action_12721420
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Koji Noguchi commented on HADOOP-6080:
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1) Tell users to use -Dfs.trash.interval=0 when deleting large directory
2) Exclude /user/<username>/.Trash from the quota
3) Move .Trash out of /user directory. Maybe /Trash/<username> and set
different quota.
4) When -rm/rmr fail with quota, automatically delete them.
5) Introduce a separate command that does (1). Something like -rmr -skipTrash
for force delete.
> Handling of Trash with quota
> -----------------------------
>
> Key: HADOOP-6080
> URL: https://issues.apache.org/jira/browse/HADOOP-6080
> Project: Hadoop Core
> Issue Type: New Feature
> Components: fs
> Reporter: Koji Noguchi
>
> Currently with quota turned on, user cannot call '-rmr' on large directory
> that causes over quota.
> {noformat}
> [knoguchi src]$ hadoop dfs -rmr /tmp/net2
> rmr: Failed to move to trash: hdfs://abc.def.com/tmp/net2
> [knoguchi src]$ hadoop dfs -mv /tmp/net2 /user/knoguchi/.Trash/Current
> mv: org.apache.hadoop.hdfs.protocol.QuotaExceededException: The quota of
> /user/knoguchi is exceeded: namespace
> quota=37500 file count=37757, diskspace quota=-1 diskspace=1991250043353
> {noformat}
> Besides from error message being unfriendly, how should this be handled?
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