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[HDFS-4479] logSync() with the FSNamesystem lock held in commitBlockSynchronization - HDFS - [issue]
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...In FSNamesystem#commitBlockSynchronization of branch-1, logSync() may be called when the FSNamesystem lock is held. Similar to HDFS-4186, this may cause some performance issue.The following ...
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http://issues.apache.org/jira/browse/HDFS-4479
Author: Jing Zhao,
2013-05-15, 06:16
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[HDFS-4809] Add more unit tests for the undo section of rename - HDFS - [issue]
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...1. Add more unit tests for the undo section of rename2. Fix a bug in FSDirectory#addChild: if a QuotaExceededException is thrown in parent.addChild(child, true, iip.getLatestSnapshot(), inod...
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http://issues.apache.org/jira/browse/HDFS-4809
Author: Jing Zhao,
2013-05-09, 14:08
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[HDFS-4806] For an INodeDirectoryWithSnapshot, use INode#isInLatestSnapshot() to check if the added/removed child should be recorded in snapshot diff - HDFS - [issue]
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...Before supporting rename with snapshots, when adding/remove a child inode to/from a directory, if the directory is already an INodeDirectoryWithSnapshot, we can directly record the change in...
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http://issues.apache.org/jira/browse/HDFS-4806
Author: Jing Zhao,
2013-05-08, 14:08
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[HDFS-4800] Fix INodeDirectoryWithSnapshot#cleanDeletedINode - HDFS - [issue]
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...HDFS-4791 updated and fixed the deletion logic for reference node, but did not update INodeDirectoryWithSnapshot#cleanDeletedINode. When deleting a snapshot s, after we merge s1 to its prior...
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http://issues.apache.org/jira/browse/HDFS-4800
Author: Jing Zhao,
2013-05-07, 14:13
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[HDFS-4791] Update and fix deletion of reference inode - HDFS - [issue]
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...Currently for deleting or destroying a reference node, we directly call the corresponding methods of the referred inode, and patch code for extra clean after deletion. This jira will revisit...
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http://issues.apache.org/jira/browse/HDFS-4791
Author: Jing Zhao,
2013-05-07, 14:13
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[HDFS-4062] In branch-1, FSNameSystem#invalidateWorkForOneNode and FSNameSystem#computeReplicationWorkForBlock should print logs outside of the namesystem lock - HDFS - [issue]
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...Similar to HDFS-4052 for trunk, both FSNameSystem#invalidateWorkForOneNode and FSNameSystem#computeReplicationWorkForBlock in branch-1 should print long log info level information outside of...
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http://issues.apache.org/jira/browse/HDFS-4062
Author: Jing Zhao,
2013-05-06, 04:53
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[HDFS-3966] For branch-1, TestFileCreation should use JUnit4 to make assumeTrue work - HDFS - [issue]
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...Currently in TestFileCreation for branch-1, assumeTrue() is used by two test cases in order to check if the OS is Linux. Thus JUnit 4 should be used to enable assumeTrue....
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http://issues.apache.org/jira/browse/HDFS-3966
Author: Jing Zhao,
2013-05-06, 03:50
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[HDFS-3844] Add @Override where necessary and remove unnecessary {@inheritdoc} and imports - HDFS - [issue]
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...1. Add @Override annotation where necessary2. Remove corresponding unnecessary {@inheritdoc} annotation3. Remove unused imports...
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http://issues.apache.org/jira/browse/HDFS-3844
Author: Jing Zhao,
2013-05-03, 18:22
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[HDFS-3961] FSEditLog preallocate() needs to reset the position of PREALLOCATE_BUFFER when more than 1MB size is needed - HDFS - [issue]
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...In the new preallocate() function, when the required size is larger 1MB, we need to reset the position for PREALLOCATION_BUFFER every time when we have allocated 1MB. Otherwise seems only 1M...
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http://issues.apache.org/jira/browse/HDFS-3961
Author: Jing Zhao,
2013-05-03, 04:10
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[HDFS-4760] Update inodeMap after node replacement - HDFS - [issue]
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...Similar with HDFS-4757, we need to update the inodeMap after node replacement. Because a lot of node replacement happens in the snapshot branch (e.g., INodeDirectory => INodeDirectoryWith...
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http://issues.apache.org/jira/browse/HDFS-4760
Author: Jing Zhao,
2013-05-01, 14:09
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