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[HDFS-4877] Snapshot: fix the scenario where a directory is renamed under its prior descendant - HDFS - [issue]
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...Suppose we have the following operations:1. rename /dir1/foo/bar to /dir2/bar22. rename /dir1/foo to /dir2/bar2/foo2I.e., we rename a directory (foo) to a child of its prior descendant (bar)...
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http://issues.apache.org/jira/browse/HDFS-4877
Author: Jing Zhao,
2013-06-06, 21:30
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[HDFS-4863] The root directory should be added to the snapshottable directory list while loading fsimage - HDFS - [issue]
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...When the root directory is set as snapshottable, its snapshot quota is changed from 0 to a positive number. While loading fsimage we should check the root's snapshot quota and add it to snap...
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http://issues.apache.org/jira/browse/HDFS-4863
Author: Jing Zhao,
2013-05-31, 06:14
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[HDFS-4857] Snapshot.Root and AbstractINodeDiff#snapshotINode should not be put into INodeMap when loading FSImage - HDFS - [issue]
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...Snapshot.Root, though is a subclass of INodeDirectory, is only used to indicate the root of a snapshot. In the meanwhile, AbstractINodeDiff#snapshotINode is used as copies recording the orig...
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http://issues.apache.org/jira/browse/HDFS-4857
Author: Jing Zhao,
2013-05-31, 06:10
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[HDFS-4842] Snapshot: identify the correct prior snapshot when deleting a snapshot under a renamed subtree - HDFS - [issue]
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...In our long-term running tests for snapshot we find the following bug:1. initially we have directories /test, /test/dir1 and /test/dir2/foo. 2. first take snapshot s0 and s1 on /test.3. modi...
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http://issues.apache.org/jira/browse/HDFS-4842
Author: Jing Zhao,
2013-05-31, 06:03
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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,
2013-05-22, 23:12
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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-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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