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[HDFS-6995] Block should be placed in the client's 'rack-local' node if 'client-local' node is not available - HDFS - [issue]
...HDFS cluster is rack aware.Client is in different node than of datanode,but Same rack contains one or more datanodes.In this case first preference should be given to select 'rack-local' node...
http://issues.apache.org/jira/browse/HDFS-6995    Author: Vinayakumar B, 2014-10-18, 14:58
Re: Issue with DN and NN connection. - HDFS - [mail # dev]
...Hi Surendra,Since, both public and private IPs are in same subnet, DN machien choosingpublic interface to connect to NN, for which no mapping present in NNmachine.Separate your IPs to differ...
   Author: Vinayakumar B, 2014-09-22, 10:49
[expand - 4 more] - Re: [DISCUSS] Allow continue reading from being-written file using same stream - HDFS - [mail # dev]
...Yes stack..Regards,VinayOn Sep 20, 2014 1:03 AM, "Stack"  wrote: ...
   Author: Vinayakumar B, 2014-09-20, 07:12
Re: [VOTE] Merge HDFS-6584 Archival Storage to trunk - HDFS - [mail # dev]
...I have closely observed all work done in this. This featute is veryimportant for the storage only problems.Major work done by Nicholas and later Jing.Thanks to everyone who has participated ...
   Author: Vinayakumar B, 2014-09-08, 03:09
[HDFS-6841] Use Time.monotonicNow() wherever applicable instead of Time.now() - HDFS - [issue]
...Time.now() used  in many places to calculate elapsed time.This should be replaced with Time.monotonicNow() to avoid effect of System time changes on elapsed time calculations....
http://issues.apache.org/jira/browse/HDFS-6841    Author: Vinayakumar B, 2014-09-05, 21:02
[HDFS-6714] TestBlocksScheduledCounter#testBlocksScheduledCounter should shutdown cluster - HDFS - [issue]
...TestBlocksScheduledCounter#testBlocksScheduledCounter() should shutdown the cluster after test. This could lead to errors in windows while running non-forked tests....
http://issues.apache.org/jira/browse/HDFS-6714    Author: Vinayakumar B, 2014-09-05, 14:47
[HDFS-6147] New blocks scanning will be delayed due to issue in BlockPoolSliceScanner#updateBytesToScan(..) - HDFS - [issue]
...New blocks scanning will be delayed if old blocks deleted after datanode restart.Steps:1. Write some blocks and wait till all scans over2. Restart the datanode3. Delete some of the blocks4. ...
http://issues.apache.org/jira/browse/HDFS-6147    Author: Vinayakumar B, 2014-09-05, 08:25
[HDFS-3765] Namenode INITIALIZESHAREDEDITS should be able to initialize all shared storages - HDFS - [issue]
...Currently, NameNode INITIALIZESHAREDEDITS provides ability to copy the edits files to file schema based shared storages when moving cluster from Non-HA environment to HA enabled environment....
http://issues.apache.org/jira/browse/HDFS-3765    Author: Vinayakumar B, 2014-09-04, 01:59
[HDFS-3469] start-dfs.sh will start zkfc, but stop-dfs.sh will not stop zkfc similarly. - HDFS - [issue]
...start-dfs.sh will start the zkfc process. Similarly stop-dfs.sh should stop zkfc process....
http://issues.apache.org/jira/browse/HDFS-3469    Author: Vinayakumar B, 2014-09-04, 01:59
[HDFS-5728] [Diskfull] Block recovery will fail if the metafile does not have crc for all chunks of the block - HDFS - [issue]
...1. Client (regionsever) has opened stream to write its WAL to HDFS. This is not one time upload, data will be written slowly.2. One of the DataNode got diskfull ( due to some other data fill...
http://issues.apache.org/jira/browse/HDFS-5728    Author: Vinayakumar B, 2014-09-04, 00:42
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