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[HDFS-5291] Clients need to retry when Active NN is in SafeMode - HDFS - [issue]
...In our test, we saw NN immediately went into safemode after transitioning to active state. This can cause HBase region server to timeout and kill itself. We should allow clients to retry whe...
http://issues.apache.org/jira/browse/HDFS-5291    Author: Arpit Gupta, 2013-10-13, 18:59
[HDFS-5335] DFSOutputStream#close() keeps throwing exceptions when it is called multiple times - HDFS - [issue]
...The semantic of DFSOutputStream#close() is incorrect.Close() will throw the last exception that it encounters during the flush operations when closing the stream. The exception that it remem...
http://issues.apache.org/jira/browse/HDFS-5335    Author: Arpit Gupta, 2013-10-12, 05:12
[HDFS-4594] WebHDFS open sets Content-Length header to what is specified by length parameter rather than how much data is actually returned. - HDFS - [issue]
...This was noticed on 2.0.3 alphaLets say we have a file of length xWe make an webhdfs open call specifying length=x+1The response of the call redirected to the datanode sets the content lengt...
http://issues.apache.org/jira/browse/HDFS-4594    Author: Arpit Gupta, 2013-09-25, 00:33
[HDFS-5123] Hftp should support namenode logical service names in URI - HDFS - [issue]
...For example if the dfs.nameservices is set to arpithdfs dfs -ls hftp://arpit:50070/tmpor hdfs dfs -ls hftp://arpit/tmpdoes not workYou have to provide the exact active namenode hostname. On ...
http://issues.apache.org/jira/browse/HDFS-5123    Author: Arpit Gupta, 2013-09-20, 21:21
[HDFS-5122] Support failover and retry in WebHdfsFileSystem for NN HA - HDFS - [issue]
...Bug reported by Arpit Gupta:If the dfs.nameservices is set to arpit,hdfs dfs -ls webhdfs://arpit/tmpdoes not work. You have to provide the exact active namenode hostname. On an HA cluster us...
http://issues.apache.org/jira/browse/HDFS-5122    Author: Arpit Gupta, 2013-09-19, 14:28
[HDFS-5147] Certain dfsadmin commands such as safemode do not interact with the active namenode in ha setup - HDFS - [issue]
...There are certain commands in dfsadmin return the status of the first namenode specified in the configs rather than interacting with the active namenodeFor example. Issuehdfs dfsadmin -safem...
http://issues.apache.org/jira/browse/HDFS-5147    Author: Arpit Gupta, 2013-09-06, 02:17
[HDFS-5140] Too many safemode monitor threads being created in the standby namenode causing it to fail with out of memory error - HDFS - [issue]
...While running namenode load generator with 100 threads for 10 mins namenode was being failed over ever 2 mins.The standby namenode shut itself down as it ran out of memory and was not able t...
http://issues.apache.org/jira/browse/HDFS-5140    Author: Arpit Gupta, 2013-08-30, 15:45
Re: How can we download a file using WebHDFS REST API - HDFS - [mail # user]
...There is no api to download a file. The client you are using to make these calls will have to read the contents of the file and save it on your local file system.  Arpit Gupta Hortonwor...
   Author: Arpit Gupta, 2013-05-31, 17:05
Re: [VOTE] Plan to create release candidate for 0.23.8 - HDFS - [mail # dev]
...+1  Arpit Gupta Hortonworks Inc. http://hortonworks.com/  On May 17, 2013, at 2:10 PM, Thomas Graves  wrote:  ...
   Author: Arpit Gupta, 2013-05-20, 14:15
[HDFS-4219] Port slive to branch-1 - HDFS - [issue]
...Originally it was committed in HDFS-708 and MAPREDUCE-1804...
http://issues.apache.org/jira/browse/HDFS-4219    Author: Arpit Gupta, 2013-05-15, 06:16
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