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[expand - 5 more] - Re: region server dead and datanode block movement error - HBase - [mail # user]
...Yes. For the same conditions (dataset size, etc) the issue occurred 4 outof 5 times. Brought the region server down with a YouAreDeadException.Thats why I started digging into the DN and NN ...
   Author: Rohit Kelkar, 2014-02-27, 17:13
[expand - 3 more] - Re: uneven region distribution - HBase - [mail # user]
...It could have been under load because I am not salting the keys. If I werein a position to replicate this issue what metrics should I capture sothat I find whether it was under load?- ROn Fr...
   Author: Rohit Kelkar, 2014-02-15, 03:13
Re: How many column families in one table ? - HBase - [mail # user]
...Regarding slow scan- only fetch the columns /qualifiers that you need. It may be that you are fetching a whole lot of data that you don't need. Try scan.addColumn() and let us know.  - ...
   Author: Rohit Kelkar, 2013-08-04, 20:55
[expand - 7 more] - Re: Scanner problem after bulk load hfile - HBase - [mail # user]
...Now its working correctly. I had to do a myTableWriter.appendTrackedTimestampsToMetadata(); after writing my KVs and before closing the file.  - R   On Tue, Jul 16, 2013 at 6:20 PM...
   Author: Rohit Kelkar, 2013-07-16, 23:39
[expand - 2 more] - Re: Trying to run HBase in standalone and not able to access Java API! Desperate help needed. - HBase - [mail # user]
...Depends on what your /etc/hosts file says  On Tuesday, July 16, 2013, Pavan Sudheendra wrote:  ...
   Author: Rohit Kelkar, 2013-07-16, 12:07
[expand - 1 more] - Re: help with filter combination - HBase - [mail # user]
...Thanks Ted, The deptId and empid are analogies to the case at hand. The SingleColumnValueFilter expects (colfam, columnQualifier, CompareOp, value). In my case colfam = pt, columnQualifier =...
   Author: Rohit Kelkar, 2013-07-06, 00:31
[expand - 1 more] - Re: running MR job and puts on the same table - HBase - [mail # user]
...Thanks JM, I am not so concerned about holding those rows in memory because they are mostly ordered integers and I would be using a bitset. So I have some leeway in that sense. My dilemma wa...
   Author: Rohit Kelkar, 2013-06-22, 17:29
[expand - 5 more] - Re: Problem with HFile lexical comparison - HBase - [mail # user]
...I got this sorted out. Earlier, I was writing the KeyValues in the HFile without the timestamp like so - KeyValue kv = new KeyValue(rowBytes, "CF".getBytes(), key, value.getBytes()); So when...
   Author: Rohit Kelkar, 2013-06-20, 22:28
running bulk load and other MR jobs simultaneously - HBase - [mail # user]
...Is running MR job and the Incremental bulk load simultaneously on the same hbase table going to affect each other? If yes then can you suggest strategies to make bulk load and MR jobs mutual...
   Author: Rohit Kelkar, 2013-06-17, 21:41
[expand - 3 more] - Re: zookeeper taking 15GB RAM - HBase - [mail # user]
...Thanks for the reply. I checked the default max heap size for java on the nodes and it turns out its 16G. So now I have to start zookeeper with a reasonable value for heapsize. What are the ...
   Author: Rohit Kelkar, 2013-04-19, 18:26
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