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[HDFS-6098] ConcurrentModificationException exception during DataNode shutdown - HDFS - [issue]
...Exception hit during DN shutdown while running TestWebHdfsWithMultipleNameNodes:java.util.ConcurrentModificationException: null at java.util.HashMap$HashIterator.nextEntry(HashMap.java:894) ...
http://issues.apache.org/jira/browse/HDFS-6098    Author: Arpit Agarwal, 2014-03-12, 23:06
[HDFS-6078] TestIncrementalBlockReports is flaky - HDFS - [issue]
...TestIncrementalBlockReports#testReplaceReceivedBlock can fail if an report is generated between the two calls to injectBlockReceived()....
http://issues.apache.org/jira/browse/HDFS-6078    Author: Arpit Agarwal, 2014-03-09, 14:55
Re: [VOTE] Merge HDFS-5535 Rolling Upgrade Improvement - HDFS - [mail # dev]
...+1 for merging the feature to trunk.On Tue, Feb 25, 2014 at 1:41 PM, Tsz Wo Sze  wrote:CONFIDENTIALITY NOTICENOTICE: This message is intended for the use of the individual or entity to ...
   Author: Arpit Agarwal, 2014-03-03, 17:59
[HDFS-5994] Fix TestDataNodeRollingUpgrade failure - HDFS - [issue]
...Link to Jenkins precommit run for HDFS-5535.Failure exception:org.apache.hadoop.hdfs.BlockMissingException: Could not obtain block: BP-1810550394-67.195.138.22-1392967331823:blk_1073741825_1...
http://issues.apache.org/jira/browse/HDFS-5994    Author: Arpit Agarwal, 2014-02-21, 22:40
[HDFS-5742] DatanodeCluster (mini cluster of DNs) fails to start - HDFS - [issue]
...DatanodeCluster fails to start with NPE in MiniDFSCluster.Looks like a simple bug in MiniDFSCluster#determineDfsBaseDir - missing check for null configuration.Also included are a few improve...
http://issues.apache.org/jira/browse/HDFS-5742    Author: Arpit Agarwal, 2014-02-20, 14:52
[HDFS-5483] NN should gracefully handle multiple block replicas on same DN - HDFS - [issue]
...BlockManager#reportDiff can cause an assertion failure in BlockInfo#moveBlockToHead if the block report shows the same block as belonging to more than one storage.The issue is that moveBlock...
http://issues.apache.org/jira/browse/HDFS-5483    Author: Arpit Agarwal, 2014-02-20, 14:52
[HDFS-5963] TestRollingUpgrade#testSecondaryNameNode causes subsequent tests to fail - HDFS - [issue]
...TestRollingUpgrade#testSecondaryNameNode causes subsequent tests to fail. It seems to be caused by the terminate hook used by the test. Commenting out this test case makes other tests in the...
http://issues.apache.org/jira/browse/HDFS-5963    Author: Arpit Agarwal, 2014-02-19, 23:56
[HDFS-5960] Fix TestRollingUpgrade - HDFS - [issue]
...TestRollingUpgrade fails when restarting the NN because OP_ROLLING_UPGRADE_START and OP_ROLLING_UPGRADE_FINALIZE are not expected.The fix is to start/finalize rolling upgrade when the corres...
http://issues.apache.org/jira/browse/HDFS-5960    Author: Arpit Agarwal, 2014-02-19, 01:30
[HDFS-5964] TestRollingUpgrade#testSecondaryNameNode causes subsequent tests to fail - HDFS - [issue]
...TestRollingUpgrade#testSecondaryNameNode causes subsequent tests to fail. It seems to be caused by the terminate hook used by the test but I did not spend much time on it. Commenting out thi...
http://issues.apache.org/jira/browse/HDFS-5964    Author: Arpit Agarwal, 2014-02-19, 00:00
[HDFS-5907] BlockPoolSliceStorage trash to handle block deletions during rolling upgrade - HDFS - [issue]
...DN changes when a rolling upgrade is in progress: DataNode should handle block deletions by moving block files to 'trash'. Block files should be restored to their original locations during a...
http://issues.apache.org/jira/browse/HDFS-5907    Author: Arpit Agarwal, 2014-02-14, 16:38
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