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https://issues.apache.org/jira/browse/HDFS-10414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15287091#comment-15287091
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Sergey Shelukhin commented on HDFS-10414:
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Suppose there's ETL process consisting of a sequence of Hive queries/other
tools that write intermediate data to an HDFS directory hierarchy; it would be
nice to disable trash for the root of that hierarchy, so that the intermediate
data is not preserved in the trash if it's deleted or moved to a different FS,
for example.
However, we don't want to disable the trash for the entire cluster, cause there
is also production data there for which it should be enabled.
> allow disabling trash on per-directory basis
> --------------------------------------------
>
> Key: HDFS-10414
> URL: https://issues.apache.org/jira/browse/HDFS-10414
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Sergey Shelukhin
>
> For ETL, it might be useful to disable trash for certain directories only to
> avoid the overhead, while keeping it enabled for rest of the cluster.
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