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Re: EC2 Elastic MapReduce HBase install recommendations - HBase - [mail # user]
...Your EC2 instance is having EBS or instance type as the data store? If it is EBS then the latency is bit high and this is as per Andrew's experience.  Regards Ram   On Wed, May 8, ...
   Author: ramkrishna vasudevan, 2013-05-08, 02:41
Re: Cached an already cached block (HBASE-5285) - HBase - [mail # user]
...Just to confirm you are getting this with LruBlockCache? If with LruBlockCache then the issue is critical.  Because we have faced similar issue with OffHeapCache.  But that is not ...
   Author: ramkrishna vasudevan, 2013-05-06, 05:45
[expand - 1 more] - Re: Poor HBase map-reduce scan performance - HBase - [mail # user]
...Sorry.  I think someone hijacked this thread and I replied to this. Naidu, Request you to post a new thread if you have queries and do not hijack the thread.  Regards Ram   On...
   Author: ramkrishna vasudevan, 2013-05-01, 07:29
Re: writing and reading from a region at once - HBase - [mail # user]
...Check this out http://www.slideshare.net/cloudera/3-learning-h-base-internals-lars-hofhansl-salesforce-final  Regards Ram   On Mon, Apr 29, 2013 at 7:59 PM, Aaron Zimmerman  w...
   Author: ramkrishna vasudevan, 2013-04-29, 16:26
Re: max regionserver handler count - HBase - [mail # user]
...stabilizes. So you mean that when the handler count is more than 5k this happens when it is lesser this does not.  Have you repeated this behaviour?  What i doubt is when you say b...
   Author: ramkrishna vasudevan, 2013-04-29, 02:37
[expand - 4 more] - Re: Cell Encoders and usage of Cell - HBase - [mail # dev]
...Yes. it'd be easy enough getting your tags in the mix. Am checking on this also.  May take some time till i finalise on the changes.  Will discuss with Andy offline and get back on...
   Author: ramkrishna vasudevan, 2013-04-23, 06:40
Re: Coreprocessor always scan the whole table. - HBase - [mail # user]
...HBASE-6870 deals with it. It is not yet committed.  We can review the patch and take it to closure.  Regards Ram   On Fri, Apr 19, 2013 at 3:19 PM, GuoWei  wrote:  ...
   Author: ramkrishna vasudevan, 2013-04-19, 10:01
[expand - 4 more] - Re: RegionServer shutdown with ScanWildcardColumnTracker exception - HBase - [mail # user]
...Is there any testcases that tries to reproduce your issue?  Regards Ram   On Wed, Apr 17, 2013 at 9:47 PM, ramkrishna vasudevan  wrote:  ...
   Author: ramkrishna vasudevan, 2013-04-17, 17:18
[expand - 2 more] - Re: regionserver stucking - HBase - [mail # user]
...The compactsplitthread is not responding to the interrupt call that happens thro shutdownNow(). So either the thread has already got interrupted and the call to shutdownnow is not taking eff...
   Author: ramkrishna vasudevan, 2013-04-17, 09:31
Re: True Block Cache Hit ratio's - HBase - [mail # dev]
...Agree.  Regards Ram    On Tue, Apr 16, 2013 at 10:00 PM, Varun Sharma  wrote:  ...
   Author: ramkrishna vasudevan, 2013-04-16, 16:34
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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