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Re: Read thruput - HBase - [mail # user]
...Hi  How big is your row?  Are they wider rows and what would be the size of every cell? How many read threads are getting used?   Were you able to take a thread dump when this...
   Author: ramkrishna vasudevan, 2013-04-01, 10:16
Re: Any objections to my putting up a 0.95.0RC? - HBase - [mail # dev]
...Agree.  +1.  Regards Ram   On Sat, Mar 30, 2013 at 11:23 AM, lars hofhansl  wrote:  ...
   Author: ramkrishna vasudevan, 2013-03-30, 06:29
Re: HBaseClient isn't reusing connections but creating a new one each time - HBase - [mail # user]
...Nice one..  Good find.   On Sat, Mar 30, 2013 at 12:30 AM, Ted Yu  wrote:  ...
   Author: ramkrishna vasudevan, 2013-03-29, 19:40
Re: Working with Hlog - HBase - [mail # user]
...HLogs are for recovery. HLogs are mainly archived by HBase.  And the current live HLogs are periodically rolled.  hbase.regionserver.logroll.period hbase.master.logcleaner.ttl hbas...
   Author: ramkrishna vasudevan, 2013-03-29, 07:20
[expand - 2 more] - Re: Understanding scan behaviour - HBase - [mail # user]
...Mohith,  It is always better to go with start row and end row if you are knowing what are they. Just add one byte more to the actual end row (inclusive row) and form the end key.  ...
   Author: ramkrishna vasudevan, 2013-03-29, 06:20
[expand - 1 more] - Re: Regionserver goes down while endpoint execution - HBase - [mail # user]
...Yes, you may have to write  your custom load balancer that does that.  REgards Ram  On Thu, Mar 28, 2013 at 4:20 PM, Kumar, Deepak8 wrote:  ...
   Author: ramkrishna vasudevan, 2013-03-28, 10:53
Re: Crash when run two jobs at the same time with same Hbase table - HBase - [mail # user]
...Interesting.  Need to check this. May be we should configure different names for the local output directory for each job.  By any chance both jobs are writing to the same path? &nb...
   Author: ramkrishna vasudevan, 2013-03-27, 02:58
Re: Compaction problem - HBase - [mail # user]
...Wha is the rate at which you are flushing? Frequent flushes will cause more files and compaction may happen frequently but with lesser time. If the flush size is increased to a bigger value ...
   Author: ramkrishna vasudevan, 2013-03-26, 06:40
Re: HBase Writes With Large Number of Columns - HBase - [mail # user]
...Hi Pankaj  Is it possible for you to profile the RS when this happens?  Either may be like the Thrift adds an overhead or it should be some where the code is spending more time. &n...
   Author: ramkrishna vasudevan, 2013-03-26, 06:19
Re: Compaction timing and recovery from failure - HBase - [mail # user]
...My question is this.  If a compaction fails due to a regionserver loss mid-compaction, does the regionserver that picks up the region continue where the first left off?  Or does it...
   Author: ramkrishna vasudevan, 2013-03-25, 14:08
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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