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[HDFS-3966] For branch-1, TestFileCreation should use JUnit4 to make assumeTrue work - HDFS - [issue]
...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....
http://issues.apache.org/jira/browse/HDFS-3966    Author: Jing Zhao, 2013-05-06, 03:50
[HDFS-3961] FSEditLog preallocate() needs to reset the position of PREALLOCATE_BUFFER when more than 1MB size is needed - HDFS - [issue]
...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...
http://issues.apache.org/jira/browse/HDFS-3961    Author: Jing Zhao, 2013-05-03, 04:10
[HDFS-4760] Update inodeMap after node replacement - HDFS - [issue]
...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...
http://issues.apache.org/jira/browse/HDFS-4760    Author: Jing Zhao, 2013-05-01, 14:09
[HDFS-4773] Fix bugs in quota usage updating/computation - HDFS - [issue]
...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 err...
http://issues.apache.org/jira/browse/HDFS-4773    Author: Jing Zhao, 2013-04-30, 14:14
[HDFS-4761] Refresh INodeMap in FSDirectory#reset() - HDFS - [issue]
...When resetting FSDirectory, the inodeMap should also be reset. I.e., we should clear the inodeMap and then put in the new root node....
http://issues.apache.org/jira/browse/HDFS-4761    Author: Jing Zhao, 2013-04-27, 15:06
[HDFS-4650] Add rename test in TestSnapshot - HDFS - [issue]
...Add more unit tests and update current unit tests to cover different cases for rename with existence of snapshottable directories and snapshots....
http://issues.apache.org/jira/browse/HDFS-4650    Author: Jing Zhao, 2013-04-27, 14:15
[HDFS-4757] Update FSDirectory#inodeMap when replacing an INodeDirectory while setting quota - HDFS - [issue]
...When setting quota to a directory, we may need to replace the original directory node with a new node with the same id. We need to update the inodeMap after the node replacement....
http://issues.apache.org/jira/browse/HDFS-4757    Author: Jing Zhao, 2013-04-26, 15:07
[HDFS-4742] Fix appending to a renamed file with snapshot - HDFS - [issue]
...Fix bug for appending a renamed file....
http://issues.apache.org/jira/browse/HDFS-4742    Author: Jing Zhao, 2013-04-26, 14:09
[HDFS-4749] Use INodeId to identify the corresponding directory node for FSImage saving/loading - HDFS - [issue]
...Currently in fsimage, we use the path to locate a directory node for later loading, i.e., when loading a subtree from fsimage, we first read the path of the directory node, and resolve the p...
http://issues.apache.org/jira/browse/HDFS-4749    Author: Jing Zhao, 2013-04-26, 14:09
[HDFS-4729] Fix OfflineImageViewer and permission checking for snapshot operations - HDFS - [issue]
...The format of FSImage is updated after supporting rename with snapshots. We need to update OfflineImageViewer accordingly.Also, some permission checks in FSNamesystem are incorrect....
http://issues.apache.org/jira/browse/HDFS-4729    Author: Jing Zhao, 2013-04-25, 14:08
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