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[HDFS-5014] BPOfferService#processCommandFromActor() synchronization on namenode RPC call delays IBR to Active NN, if Stanby NN is unstable - HDFS - [issue]
...In one of our cluster, following has happened which failed HDFS write.1. Standby NN was unstable and continously restarting due to some errors. But Active NN was stable.2. MR Job was writing...
http://issues.apache.org/jira/browse/HDFS-5014    Author: Vinayakumar B, 2014-04-02, 03:06
[HDFS-6115] flush() should be called for every append on block scan verification log - HDFS - [issue]
...RollingLogsImpl#out is  PrintWriter and it have the default buffersize of 8kB.So until the 8kB buffer is filled all scan verification entries will not be flushed, hence there will be ch...
http://issues.apache.org/jira/browse/HDFS-6115    Author: Vinayakumar B, 2014-03-27, 14:02
[HDFS-6111] Avoid duplicate entries in Block Scan verification logs - HDFS - [issue]
...Duplicate entries could be generated in datanode verification logs if the datanode gets shutdown during the rolling of scan verification logs.If this happens multiple times in huge cluster, ...
http://issues.apache.org/jira/browse/HDFS-6111    Author: Vinayakumar B, 2014-03-18, 20:51
[HDFS-6058] Fix TestHDFSCLI failures after HADOOP-8691 change - HDFS - [issue]
...HADOOP-8691 changed the ls command output.TestHDFSCLI needs to be updated after this change,Latest precommit builds are failing because of this.https://builds.apache.org/job/PreCommit-HDFS-B...
http://issues.apache.org/jira/browse/HDFS-6058    Author: Vinayakumar B, 2014-03-06, 17:57
[HDFS-6013] add rollingUpgrade information to  latest UI - HDFS - [issue]
...Rolling Upgrade information should be shown in the latest NameNode UI.For this RollingUpgrade information should be exposed as jmx bean....
http://issues.apache.org/jira/browse/HDFS-6013    Author: Vinayakumar B, 2014-03-03, 19:52
[HDFS-5918] Avoid logging unnecessary trace in IPCLoggerChannel#close() - HDFS - [issue]
...Avoid logging stack trace while close() in IPCLoggerChannel.  @Override  public void close() {    QuorumJournalManager.LOG.info("Closing", new Exception())...
http://issues.apache.org/jira/browse/HDFS-5918    Author: Vinayakumar B, 2014-03-03, 04:25
[HDFS-6003] Add '-rollingUpgrade <rollback|downgrade>' to namenode usage message - HDFS - [issue]
...Add '-rollingUpgrade <rollback|downgrade>' to namenode usage message...
http://issues.apache.org/jira/browse/HDFS-6003    Author: Vinayakumar B, 2014-02-25, 07:51
[HDFS-5283] NN not coming out of startup safemode due to under construction blocks only inside snapshots also counted in safemode threshhold - HDFS - [issue]
...This is observed in one of our env:1. A MR Job was running which has created some temporary files and was writing to them.2. Snapshot was taken3. And Job was killed and temporary files were ...
http://issues.apache.org/jira/browse/HDFS-5283    Author: Vinayakumar B, 2014-02-24, 20:58
[HDFS-5428] under construction files deletion after snapshot+checkpoint+nn restart leads nn safemode - HDFS - [issue]
...1. allow snapshots under dir /foo2. create a file /foo/test/bar and start writing to it3. create a snapshot s1 under /foo after block is allocated and some data has been written to it4. Dele...
http://issues.apache.org/jira/browse/HDFS-5428    Author: Vinayakumar B, 2014-02-24, 20:58
[HDFS-5901] NameNode new UI doesn't support IE8 and IE9 on windows 7 - HDFS - [issue]
...NameNode new webUI doesnot support IE8 and IE9 on windows 7And doesnt render the page correctly.js error:Line: 74Error: Unable to get value of the property 'url': object is null or undefined...
http://issues.apache.org/jira/browse/HDFS-5901    Author: Vinayakumar B, 2014-02-14, 16:54
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