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https://issues.apache.org/jira/browse/HIVE-1943?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13019083#comment-13019083
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Devaraj Das commented on HIVE-1943:
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Created a reviewboard review request - https://reviews.apache.org/r/586/
The patch basically adds checks before updating metadata during operations like
drop_table, drop_database, etc. The checks are at the Warehouse layer to see
whether the associated data can be really deleted by the user in question. If
the data can't be deleted then the metadata operation is not done.
This check is configurable and can be disabled.
> Metastore operations (like drop_partition) could be improved in terms of
> maintaining consistency of metadata and data
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-1943
> URL: https://issues.apache.org/jira/browse/HIVE-1943
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Reporter: Devaraj Das
> Assignee: Devaraj Das
>
> Currently, metastore operations with associated hdfs operations like
> drop_partition doesn't do a rollback if the hdfs operation fails. The
> metastore first updates the metadata, and then tries to do hdfs operation. If
> the hdfs operation fails for any reason, the data on the hdfs will be
> orphaned. We should improve the situation.
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