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[HBASE-6170] Timeouts for row lock and scan should be separate - HBase - [issue]
...Apparently the timeout used for row locking and for scanning is global.  It would be better to have two separate timeouts.(opening the issue to make Lars George happy)...
http://issues.apache.org/jira/browse/HBASE-6170    Author: Otis Gospodnetic, 2013-07-16, 01:44
[expand - 5 more] - Re: G1 before/after GC time graph - HBase - [mail # user]
...Correct!  Otis Solr & ElasticSearch Support http://sematext.com/ On Jul 11, 2013 1:18 PM, "Asaf Mesika"  wrote:  ...
   Author: Otis Gospodnetic, 2013-07-11, 17:55
[expand - 1 more] - Re: GC recommendations for large Region Server heaps - HBase - [mail # user]
...Hi Bryan,  Java 1.7 from Oracle.  We're running away from Java 1.6 wherever we can. 7 has been stable for us for a loooong time.  Otis HBase Performance Monitoring -- http://s...
   Author: Otis Gospodnetic, 2013-07-09, 23:15
Re: Zookeeper session timeout - HBase - [mail # user]
...Hi,  Give G1 GC a try if you are on a recent JVM.  We didn't have issues with ZK, but we gave G1 a try recently and look what happened: http://blog.sematext.com/2013/06/24/g1-cms-j...
   Author: Otis Gospodnetic, 2013-06-29, 20:38
[expand - 1 more] - Re: Schema design for filters - HBase - [mail # user]
...Hi,  I see.  Btw. isn't HBase for  wrote:...
   Author: Otis Gospodnetic, 2013-06-28, 18:58
Re: is hbase cluster support multi-instance? - HBase - [mail # user]
...You can have multiple and completely separate tables inside the same HBase cluster...  Otis Solr & ElasticSearch Support -- http://sematext.com/ Performance Monitoring -- http://sematex...
   Author: Otis Gospodnetic, 2013-06-28, 18:46
Re: How many column families in one table ? - HBase - [mail # user]
...Hm, works for me - http://search-hadoop.com/m/qOx8l15Z1q42/column+families+fb&subj=Re+HBase+Column+Family+Limit+Reasoning  Shorter version: http://search-hadoop.com/m/qOx8l15Z1q42  ...
   Author: Otis Gospodnetic, 2013-06-28, 18:36
Re: Missing metrics in any context inheriting from AbstractMetricsContext - HBase - [mail # user]
...Hi,  I don't have a direct answer to your question, but if getting metrics from JMX is an option, everything should be in there.  You can use a tool like https://github.com/sematex...
   Author: Otis Gospodnetic, 2013-06-09, 05:55
Re: Extending HBase Metrics Framework - HBase - [mail # user]
...Hi,  Not 100% sure if I understand what you are after, but it sounds like you are OK/want to modify HBase source code and add tracking of some metric that is currently not being tracked...
   Author: Otis Gospodnetic, 2013-06-09, 04:37
Re: Performance metrics Hbase - HBase - [mail # dev]
...U think lots of people use Ganglia...and Ambari uses it for example.  We use our own SPM for HBase monitoring (see url in my sig below), which incidentally runs on top of HBase itself. ...
   Author: Otis Gospodnetic, 2013-05-27, 19:53
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