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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4773) Fix bugs in quota usage updating/computation
Date Mon, 29 Apr 2013 05:52:16 GMT
Jing Zhao created HDFS-4773:

             Summary: Fix bugs in quota usage updating/computation
                 Key: HDFS-4773
                 URL: https://issues.apache.org/jira/browse/HDFS-4773
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Jing Zhao
            Assignee: Jing Zhao
            Priority: Minor

1. FileWithSnapshot#updateQuotaAndCollectBlocks did not consider the scenario that all the
snapshots has been deleted from a snapshot copy of deleted file. This may lead to a divide-by-0

2. When computing the quota usage for a WithName node and its subtree, if the snapshot associated
with the WithName node at the time of rename operation has been deleted, we should compute
the quota based on the posterior snapshot.

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