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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4636) Update quota usage when deleting a file/dir that is not included in the latest snapshot
Date Mon, 25 Mar 2013 23:57:15 GMT
Jing Zhao created HDFS-4636:
-------------------------------

             Summary: Update quota usage when deleting a file/dir that is not included in
the latest snapshot
                 Key: HDFS-4636
                 URL: https://issues.apache.org/jira/browse/HDFS-4636
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Jing Zhao
            Assignee: Jing Zhao


This jira aims to fix two bugs in deleting files with snapshot:

1. We should update the quota usage when the file/dir to be deleted is not included in the
latest snapshot (i.e., the to-be-deleted file/dir is recorded in the created list of the latest
snapshot). In particular, in FSDirectory#removeLastINode, instead of checking if the latest
snapshot is null to decide whether we should update the quota usage, we should use INode#isInLatestSnapshot(Snapshot)
as the check condition.

2. Similarly, in FSDirectory#unprotectedDelete(...), we should update quota usage after calling
INode#cleanSubtree, considering during cleanSubtree() we may delete files that were created
after taking the latest snapshot.

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