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[expand - 1 more] - Re: HTablePool dead locks/freezing - HBase - [mail # user]
...Okay - this was contention issue - https://issues.apache.org/jira/browse/HBASE-2939 solves the issue - upping the IPC pool size. Thanks !  On Mon, Dec 3, 2012 at 8:04 PM, Varun Sharma &...
   Author: Varun Sharma, 2012-12-04, 04:42
[expand - 1 more] - Re: Region server deadlocks in master master replication - HBase - [mail # user]
...Hi Jean,  I looked at the release notes for 0.94.1 and 0.94.2 and it looks like all the fixes there have to do with splitting of regions (I maybe wrong). For my cluster(s), splits are o...
   Author: Varun Sharma, 2012-11-30, 18:08
[expand - 1 more] - Re: Question about Master Master replication - HBase - [mail # user]
...This failed for me and replication was not working until I just gave one peer. Have you yourself tried this ?  On Tue, Nov 20, 2012 at 9:17 AM, Suraj Varma  wrote:  ...
   Author: Varun Sharma, 2012-11-20, 19:23
[HBASE-7093] Couple Increments/Appends with Put/Delete(s) - HBase - [issue]
...See related issue - https://issues.apache.org/jira/browse/HBASE-4583Currently, we cannot bundle increment/append with put/delete operations. The above JIRA MVCC'izes the increment/append ope...
http://issues.apache.org/jira/browse/HBASE-7093    Author: Varun Sharma, 2012-11-15, 19:38
[expand - 1 more] - Re: Master Master replication - HBase - [mail # user]
...I think we should - otherwise this makes replication setup rather difficult for clusters which are already running in production. Since, between the copy table import and the replication set...
   Author: Varun Sharma, 2012-11-13, 22:15
Re: scan filtering column familly return wrong cell - HBase - [mail # user]
...I have not look at this in detail but does this eventually use the ColumnCountGetFilter - if yes, then this will actually also include upto one older version since filters run before version...
   Author: Varun Sharma, 2012-11-11, 20:46
[expand - 2 more] - Re: Terribly long HDFS timeouts while appending to HLog - HBase - [mail # user]
...Great - thanks for all the information.  Reducing the timeout seems like one plausible approach to me. However, I had two follow up questions: 1) For writes - since these need to happen...
   Author: Varun Sharma, 2012-11-07, 21:52
[expand - 1 more] - Re: Hbase thrift server crashing on writes - HBase - [mail # user]
...Just One more thing - this is still happening and its happening only for a certain set of region servers and regions only. Also, its triggered by mutateRow operations. Is this a data corrupt...
   Author: Varun Sharma, 2012-11-07, 03:16
Column Family level bloom filters - HBase - [mail # user]
...Hi,  I had a question about column family level bloom filters. Are these filters in memory or are they just persisted as part of the HFile or both ? For in-memory bloom filters, deletes...
   Author: Varun Sharma, 2012-11-06, 01:41
[expand - 2 more] - Re: Hbase cluster for serving real time site traffic - HBase - [mail # user]
...Thanks all for the helpful comments. I read up on HA and was wondering if there are good tools for setting up a HA HDFS + Hbase cluster on EC2 quickly. From my reading, it appears that tools...
   Author: Varun Sharma, 2012-11-01, 08:01
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB