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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
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
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
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
Hbase thrift connections to Zookeeper - HBase - [mail # user]
...Hi,  Currently, does the hbase thrift server maintain a fixed size pool of connections to talk to the zookeeper or does it create an additional zookeeper connection for each incoming th...
   Author: Varun Sharma, 2012-10-31, 22:36
[HBASE-7075] Allow ColumnPaginationFilter to accept qualifier name as input - HBase - [issue]
...Currently column pagination filter takes (offset, limit) as the parameters. It then scans through until offset and then retrieves "limit" number of columns.A lot of times we can do paginatio...
http://issues.apache.org/jira/browse/HBASE-7075    Author: Varun Sharma, 2012-10-30, 21:48
Hbase on amazon EMR - HBase - [mail # user]
...Hi,  We have been playing around with hbase on amazon EMR which provides a vanilla setup for hbase 0.92. Sometime down the line, we would be looking for a more reliable setup when we st...
   Author: Varun Sharma, 2012-10-30, 17:43
RequestsPerSecond on master console - HBase - [mail # user]
...Hi,  I am trying to understand what does the RequestsPerSecond on master console really mean ? Does it count all the requests - such as if I issue a scannerOpenWithScan() from thrift cl...
   Author: Varun Sharma, 2012-10-29, 20:25
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