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https://issues.apache.org/jira/browse/HDFS-1189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13000371#comment-13000371
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John George commented on HDFS-1189:
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ant -Dforrest.home=${FORREST_HOME} -Djava5.home=${JAVA5}
-Dfindbugs.home=${FINDBUGS_HOME}
-Dpatch.file=/home/johngeo/hadoop_patches/HDFS-1189.patch test-patch
[exec] BUILD SUCCESSFUL
[exec] Total time: 32 seconds
[exec]
[exec]
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[exec] +1 overall.
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[exec] +1 @author. The patch does not contain any @author tags.
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[exec] +1 tests included. The patch appears to include 4 new or
modified tests.
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[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
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[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
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[exec] +1 findbugs. The patch does not introduce any new Findbugs
(version 1.3.9) warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
[exec]
[exec] +1 system test framework. The patch passed system test
framework compile.
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> Quota counts missed between clear quota and set quota
> -----------------------------------------------------
>
> Key: HDFS-1189
> URL: https://issues.apache.org/jira/browse/HDFS-1189
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.20.2, 0.22.0
> Reporter: Kang Xiao
> Assignee: John George
> Labels: hdfs, quota
> Fix For: 0.22.0
>
> Attachments: HDFS-1189.patch, HDFS-1189.patch, HDFS-1189.patch,
> hdfs-1189-1.patch
>
>
> HDFS Quota counts will be missed between a clear quota operation and a set
> quota.
> When setting quota for a dir, the INodeDirectory will be replaced by
> INodeDirectoryWithQuota and dir.isQuotaSet() becomes true. When
> INodeDirectoryWithQuota is newly created, quota counting will be performed.
> However, when clearing quota, the quota conf is set to -1 and
> dir.isQuotaSet() becomes false while INodeDirectoryWithQuota will NOT be
> replaced back to INodeDirectory.
> FSDirectory.updateCount just update the quota count for inodes that
> isQuotaSet() is true. So after clear quota for a dir, its quota counts will
> not be updated and it's reasonable. But when re seting quota for this dir,
> quota counting will not be performed and some counts will be missed.
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