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[HDFS-6247] Avoid timeouts for replaceBlock() call by sending intermediate responses to Balancer - HDFS - [issue]
...Currently there is no response sent from target Datanode to Balancer for the replaceBlock() calls.Since the Block movement for balancing is throttled, complete block movement will take time ...
http://issues.apache.org/jira/browse/HDFS-6247    Author: Vinayakumar B, 2014-08-14, 16:58
[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, 2014-08-13, 23:05
[HDFS-5185] DN fails to startup if one of the data dir is full - HDFS - [issue]
...DataNode fails to startup if one of the data dirs configured is out of space. fails with following exception2013-09-11 17:48:43,680 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Ini...
http://issues.apache.org/jira/browse/HDFS-5185    Author: Vinayakumar B, 2014-08-04, 15:57
[HDFS-5723] Append failed FINALIZED replica should not be accepted as valid when that block is underconstruction - HDFS - [issue]
...Scenario:1. 3 node cluster with dfs.client.block.write.replace-datanode-on-failure.enable set to false.2. One file is written with 3 replicas, blk_id_gs13. One of the datanode DN1 is down.4....
http://issues.apache.org/jira/browse/HDFS-5723    Author: Vinayakumar B, 2014-08-04, 15:57
Re: HDFS-573: Windows builds will require CMake - HDFS - [mail # dev]
...Thanks Chris for the work on HDFS-573.Installing cmake in windows is just a trivial task. Download cmake zipextract and keep  directory in PATH.Regards,VinayOn Mon, Aug 4, 2014 at 8:23 ...
   Author: Vinayakumar B, 2014-08-04, 04:41
[HDFS-6752] Avoid Address bind errors in TestDatanodeConfig#testMemlockLimit - HDFS - [issue]
...Above test failed due to Address Bind Exception.Set the HTTP port to ephemeral port in Configuration.java.net.BindException: Port in use: 0.0.0.0:50075 at sun.nio.ch.Net.bind(Native Method) ...
http://issues.apache.org/jira/browse/HDFS-6752    Author: Vinayakumar B, 2014-07-26, 15:59
[HDFS-6657] Remove link to 'Legacy UI' in trunk's Namenode UI - HDFS - [issue]
...Link to 'Legacy UI' provided on namenode's UI.Since in trunk, all jsp pages are removed, these links will not work. can be removed....
http://issues.apache.org/jira/browse/HDFS-6657    Author: Vinayakumar B, 2014-07-25, 15:00
[HDFS-5919] FileJournalManager doesn't purge empty and corrupt inprogress edits files - HDFS - [issue]
...FileJournalManager doesn't purge empty and corrupt inprogress edit files.These stale files will be accumulated over time.These should be cleared along with the purging of other edit logs...
http://issues.apache.org/jira/browse/HDFS-5919    Author: Vinayakumar B, 2014-07-25, 15:00
[HDFS-6114] Block Scan log rolling will never happen if blocks written continuously leading to huge size of dncp_block_verification.log.curr - HDFS - [issue]
...1. BlockPoolSliceScanner#scan() will not return until all the blocks are scanned. 2. If the blocks (with size in several MBs) to datanode are written continuously then one iteration of Block...
http://issues.apache.org/jira/browse/HDFS-6114    Author: Vinayakumar B, 2014-07-24, 15:59
[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, 2014-07-24, 10:40
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