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[HDFS-6423] Diskspace quota usage should be updated when appending data to partial block - HDFS - [issue]
...When appending new data to a file whose last block is a partial block, the diskspace quota usage is not correctly update. For example, suppose the block size is 1024 bytes, and a file has si...
http://issues.apache.org/jira/browse/HDFS-6423    Author: Jing Zhao, 2014-06-19, 11:00
Re: HDFS-6376 - HDFS - [mail # dev]
...Hi Dave,    The Jenkins only runs against trunk. Thus you need to upload a patchfor trunk instead of 2.4.Thanks,-JingOn Wed, May 28, 2014 at 11:28 AM,  wrote:CONFIDENTIAL...
   Author: Jing Zhao, 2014-05-28, 18:35
[HDFS-6227] ShortCircuitCache#unref should purge ShortCircuitReplicas whose streams have been closed by java interrupts - HDFS - [issue]
...While running tests in a single node cluster, where short circuit read is enabled and multiple threads may read the same file concurrently, one of the read got ClosedChannelException and fai...
http://issues.apache.org/jira/browse/HDFS-6227    Author: Jing Zhao, 2014-05-28, 16:16
[HDFS-6438] DeleteSnapshot should be a DELETE request in WebHdfs - HDFS - [issue]
...We add 3 snapshot related APIs into WebHdfs in HDFS-6432, among which DeleteSnapshot should be a DELETE request instead of PUT. This jira aims to fix this and update the WebHdfs document....
http://issues.apache.org/jira/browse/HDFS-6438    Author: Jing Zhao, 2014-05-23, 20:53
[HDFS-6420] DFSAdmin#refreshNodes should be sent to both NameNodes in HA setup - HDFS - [issue]
...Currently in HA setup (with logical URI), the DFSAdmin#refreshNodes command is sent to the NameNode first specified in the configuration by default. Users can use "-fs" option to specify whi...
http://issues.apache.org/jira/browse/HDFS-6420    Author: Jing Zhao, 2014-05-20, 00:15
[HDFS-4052] BlockManager#invalidateWork should print logs outside the lock - HDFS - [issue]
...Info level log information printed holding the lock is long and is printed by traversing a list/array. It would be better to move it outside of the lock....
http://issues.apache.org/jira/browse/HDFS-4052    Author: Jing Zhao, 2014-05-15, 23:31
[HDFS-6266] Identify full path for a given INode - HDFS - [issue]
...Currently when identifying the full path of a given inode, FSDirectory#getPathComponents and FSDirectory#getFullPathName can only handle normal cases where the inode and its ancestors are no...
http://issues.apache.org/jira/browse/HDFS-6266    Author: Jing Zhao, 2014-04-25, 14:40
[HDFS-5167] Add metrics about the NameNode retry cache - HDFS - [issue]
...It will be helpful to have metrics in NameNode about the retry cache, such as the retry count etc....
http://issues.apache.org/jira/browse/HDFS-5167    Author: Jing Zhao, 2014-04-10, 14:12
[HDFS-6053] Fix TestDecommissioningStatus and TestDecommission in branch-2 - HDFS - [issue]
...The failure is caused by the backport of HDFS-5285. In BlockManager#isReplicationInProgress, "if (bc instanceof MutableBlockCollection)" should be replaced by "if (bc.isUnderConstruction())"...
http://issues.apache.org/jira/browse/HDFS-6053    Author: Jing Zhao, 2014-04-10, 14:12
[HDFS-6135] In HDFS upgrade with HA setup, JournalNode cannot handle layout version bump when rolling back - HDFS - [issue]
...While doing HDFS upgrade with HA setup, if the layoutversion gets changed in the upgrade, the rollback may trigger the following exception in JournalNodes (suppose the new software bumped th...
http://issues.apache.org/jira/browse/HDFS-6135    Author: Jing Zhao, 2014-03-25, 14:03
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