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[expand - 14 more] - Re: Get on a row with multiple columns - HBase - [mail # user]
...https://issues.apache.org/jira/browse/HBASE-7813  On Mon, Feb 11, 2013 at 8:44 AM, Varun Sharma  wrote:  ...
   Author: Varun Sharma, 2013-02-11, 16:44
Behaviour on Get call with ColumnPaginationFilter - HBase - [mail # user]
...Hi,  If I am running the following call:  Get get = new Get(row); get.setFilter(new ColumnPaginationFilter(50, 0));  Does this load the entire row into memory ? Or will it onl...
   Author: Varun Sharma, 2013-02-10, 04:53
[expand - 1 more] - Re: LRU stats - HBase - [mail # user]
...Since i am using only 10 % of allocated cache, I think EvictionThread never ran - hence, I see the value 0. What's mysterious is who is calling evictBlock then, because there are non zero ev...
   Author: Varun Sharma, 2013-01-27, 09:04
[expand - 3 more] - Re: 答复: GC pause issues - HBase - [mail # user]
...My total heap size is 12G and my young gen is 1G. I am getting 200ms pauses every few seconds - the machine has 4 cores (its m1.xlarge on ec2), if I set the young gen low. The one thing I no...
   Author: Varun Sharma, 2013-01-25, 17:55
Region server crash while syncing HLog - HBase - [mail # user]
...Hi,  I had 2 region servers crash with this (running hbase-0.94.3 with hadoop-2.0.0). There is also stuff saying that Memstore was rolled back. Is this some kind of data loss happening ...
   Author: Varun Sharma, 2013-01-23, 17:57
About HBase Region Flushes - HBase - [mail # user]
...Hi,  I have a question about hbase region flushes. Are reads and writes blocked while the memstore is being flushed ?  Thanks !...
   Author: Varun Sharma, 2013-01-23, 00:13
[expand - 2 more] - Re: Storing images in Hbase - HBase - [mail # user]
...On Mon, Jan 21, 2013 at 5:10 PM, Varun Sharma  wrote:  ...
   Author: Varun Sharma, 2013-01-22, 01:12
[expand - 3 more] - Re: Hbase heap size - HBase - [mail # user]
...I meant controlling compaction activity by emitting fewer hfiles but of larger size.  On Fri, Jan 18, 2013 at 12:28 PM, Adrien Mogenet wrote:  ...
   Author: Varun Sharma, 2013-01-18, 20:43
Re: Coprocessor / threading model - HBase - [mail # user]
...You should look at the jstack - I think HTablePool is the reason for the large number of threads. Note that HTablePool is a reusable pool HTable(s) and each HTable consists of an ExecutorSer...
   Author: Varun Sharma, 2013-01-15, 18:56
Re: Increment operations in hbase - HBase - [mail # user]
...IMHO, this seems too low - 1 million operations in 15 minutes translates to 2K increment operations per second which should be easy to support. Moreover, you are running increments on differ...
   Author: Varun Sharma, 2013-01-12, 20:20
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