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[HDFS-5368] Namenode deadlock during safemode extention - HDFS - [issue]
...Namenode entered to safemode during restart1. After restart NN entered to safemode extention.2. During this time deadlock happened between datanode heartbeat and SafemodeMonitor() thread.Fou...
http://issues.apache.org/jira/browse/HDFS-5368    Author: Vinay, 2013-10-26, 02:26
[HDFS-5331] make SnapshotDiff.java to a o.a.h.util.Tool interface implementation - HDFS - [issue]
...SnapshotDiff.java is a plain class with main() method now. Convert it to o.a.h.util.Tool interface implementation for better look and usage  in tests in future,...
http://issues.apache.org/jira/browse/HDFS-5331    Author: Vinay, 2013-10-21, 15:04
[HDFS-5299] DFS client hangs in updatePipeline RPC when failover happened - HDFS - [issue]
...DFSClient got hanged in updatedPipeline call to namenode when the failover happened at exactly sametime.When we digged down, issue found to be with handling the RetryCache in updatePipeline....
http://issues.apache.org/jira/browse/HDFS-5299    Author: Vinay, 2013-10-07, 15:17
[HDFS-5300] FSNameSystem#deleteSnapshot() should not check owner in case of permissions disabled - HDFS - [issue]
...FSNameSystem#deleteSnapshot() should not check owner in case of permissions disabled      checkOperation(OperationCategory.WRITE);      if (isInSafeMo...
http://issues.apache.org/jira/browse/HDFS-5300    Author: Vinay, 2013-10-05, 15:22
[HDFS-5031] BlockScanner scans the block multiple times and on restart scans everything - HDFS - [issue]
...BlockScanner scans the block twice, also on restart of datanode scans everything.Steps:1. Write blocks with interval of more than 5 seconds. write new block on completion of scan for written...
http://issues.apache.org/jira/browse/HDFS-5031    Author: Vinay, 2013-09-27, 22:25
[HDFS-5146] JspHelper#bestNode() doesn't handle bad datanodes correctly - HDFS - [issue]
...JspHelper#bestNode() doesn't handle correctly if the chosen datanode is down.    while (s == null) {      if (chosenNode == null) {     &nbs...
http://issues.apache.org/jira/browse/HDFS-5146    Author: Vinay, 2013-08-30, 18:24
[HDFS-5112] NetWorkTopology#countNumOfAvailableNodes() is returning wrong value if excluded nodes passed are not part of the cluster tree - HDFS - [issue]
...I got "File /hdfs_COPYING_ could only be replicated to 0 nodes instead of minReplication (=1).  There are 1 datanode(s) running and 1 node(s) are excluded in this operation." in the fol...
http://issues.apache.org/jira/browse/HDFS-5112    Author: Vinay, 2013-08-20, 19:28
[HDFS-5113] Implement POST method to upload the checkpoint - HDFS - [issue]
...We have seen many issues related to Checkpoint upload. Currently upload happens with 2 GET requests.One limitation here is, both checkpointer and the target should have the http server runni...
http://issues.apache.org/jira/browse/HDFS-5113    Author: Vinay, 2013-08-20, 18:36
[HDFS-4223] Browsing filesystem from specific datanode in live nodes page also should include delegation token in the url - HDFS - [issue]
...Browsing file system from the 'Browse the filesystem' link includes 'tokenString' as a parameter in the URL.Same way browsing using specific datanode from live nodes page also should include...
http://issues.apache.org/jira/browse/HDFS-4223    Author: Vinay, 2013-08-13, 12:53
[HDFS-4855] DFSOutputStream reference should be cleared from DFSClient#filesBeingWritten if the file closure fails. - HDFS - [issue]
...If the file closure fails due to some exception, then DFSOutputStream reference should be removed from the DFSClient#filesBeingWritten.Which is useless to keep and also memory consuming.If t...
http://issues.apache.org/jira/browse/HDFS-4855    Author: Vinay, 2013-06-01, 00:08
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