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[HBASE-8211] Support for NN HA for 0.94 - HBase - [issue]
...HBase-8156 is for adding support for retrying non-idempotent operations. This is useful in case NN is suffering from n/w hiccups, etc. This jira is to add similar support for 0.94.x branch....
http://issues.apache.org/jira/browse/HBASE-8211    Author: Himanshu Vashishtha, 2013-04-05, 02:38
[HBASE-8028] Append, Increment: Adding rollback support - HBase - [issue]
...In case there is an exception while doing the log-sync, the memstore is not rollbacked, while the mvcc is always forwarded to the writeentry created at the beginning of the operation. This m...
http://issues.apache.org/jira/browse/HBASE-8028    Author: Himanshu Vashishtha, 2013-04-03, 07:26
Re: HBASE HA - HBase - [mail # user]
...Hey Azurry,  I tried to answer your comments on the jira. Please have a look.  Thanks, Himanshu   On Fri, Mar 29, 2013 at 11:37 PM, Azuryy Yu  wrote:  ...
   Author: Himanshu Vashishtha, 2013-03-30, 19:08
[HBASE-8156] Support for Namenode HA for non-idempotent operations - HBase - [issue]
...In hadoop 2 HA, non-idempotent operations are not retried at the hdfs side. This is by design as retrying a non-idempotent operation might not be a good design choice for some use case. HBas...
http://issues.apache.org/jira/browse/HBASE-8156    Author: Himanshu Vashishtha, 2013-03-30, 00:04
Re: NPE in log cleaner - HBase - [mail # user]
...How did you enable it? Going by the line numbers of the stacktrace, it is very unlikely to have a npe there. Did you see anything suspicious in the rs-logs on enabling it? Can you pastebin m...
   Author: Himanshu Vashishtha, 2013-03-26, 18:45
[HBASE-8106] Test to check replication log znodes move is done correctly - HBase - [issue]
...ReplicationZookeeper#copyQueuesFromRSUsingMulti moves the znodes under a regionserver failover environment. This jira is to add that the move is done correctly....
http://issues.apache.org/jira/browse/HBASE-8106    Author: Himanshu Vashishtha, 2013-03-16, 19:28
Re: [ANNOUNCE] The 3rd hbase 0.94.6 release candidate is available for download - HBase - [mail # dev]
...Can you elaborate more on the failure JM.  Can you upload (pastebin) Test-output file?  It pass on my local.   On Fri, Mar 15, 2013 at 12:51 PM, Jean-Marc Spaggiari  wrot...
   Author: Himanshu Vashishtha, 2013-03-15, 19:59
Re: Replication Configuration Multiple Peers, Which Correct? - HBase - [mail # user]
...This is correct.  You only want one peer, right? So, adding separate zk servers as different peers is not the right way. Read up some of the replication blogs we have; that should help....
   Author: Himanshu Vashishtha, 2013-03-15, 17:39
Re: Regionserver goes down while endpoint execution - HBase - [mail # user]
...There is no ordering guarantee for the endpoint execution, other than that calls will be executed in parallel across all the regions. In case you have 5 regions, then there will be 5 separat...
   Author: Himanshu Vashishtha, 2013-03-14, 17:45
Re: Replication hosed after simple cluster restart - HBase - [mail # dev]
...On Wed, Mar 13, 2013 at 8:48 PM, lars hofhansl  wrote:  I agree. because even if they do move, they are not using locality as the regionserver which eventually takes it over will r...
   Author: Himanshu Vashishtha, 2013-03-14, 03:59
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