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Re: REST Vs RPC - HBase - [mail # user]
...Almost always RPC. Its more optimized for this use case Regards,Dhaval      From: Jignesh Patel  To: [EMAIL PROTECTED]  Sent: Monday, 17 November 2014 12:05 PM&...
   Author: Dhaval Shah, 2014-11-17, 17:12
RE: Avoid GC Pauses on Scan MapReduces - HBase - [mail # user]
...You can do scan.setCacheBlocks (false) To disable scanner caching on map reduce scans. Also use parallel GC for new generation.  That will help reduce stop the world pauses with cmsSent from...
   Author: Dhaval Shah, 2014-11-14, 03:15
Re: Duplicate Value Inserts in HBase - HBase - [mail # user]
...You can achieve what you want using versions and some hackery with timestampsSent from my T-Mobile 4G LTE DeviceFrom: Jean-Marc Spaggiari  Date:10/21/2014  9:02 AM  (GMT-05:00...
   Author: Dhaval Shah, 2014-10-21, 13:28
Re: Connection pool Concurrency in HBase - HBase - [mail # user]
...HConnection connection = HConnectionManager.createConnection(config); will give you the shared HConnection. Do not close the connection object until all your threads are done using it. In yo...
   Author: Dhaval Shah, 2014-08-04, 17:51
Re: hbase cluster working bad - HBase - [mail # user]
...We just solved a very similar issue with our cluster (yesterday!). I would suggest you look at 2 things in particular:- Is the network on your region server saturated? That would prevent con...
   Author: Dhaval Shah, 2014-07-22, 20:39
Re: multiple region servers at one machine - HBase - [mail # user]
...Its certainly possible (atleast with command line) but probably very messy. You will need to have different ports, different log files, different pid files, possibly even different configs o...
   Author: Dhaval Shah, 2014-07-16, 22:15
Re: Query map reduce - Hadoop - [mail # user]
...Just call context.write multiple times Regards,Dhaval________________________________ From: "Shrivastava, Himnshu (GE Global Research, Non-GE)" To: "[EMAIL PROTECTED]"  Sent: Wedne...
   Author: Dhaval Shah, 2014-06-18, 13:32
[expand - 1 more] - Re: HBase cluster design - HBase - [mail # user]
...A few things pop out to me on cursory glance:- You are using CMSIncrementalMode which after a long chain of events has a tendency to result in the famous Juliet pause of death. Can you try P...
   Author: Dhaval Shah, 2014-05-27, 00:30
Re: SCDynamicStore - HBase - [mail # user]
...I don't think its an error. Its an annoying warning message but does not affect functionality Regards, Dhaval________________________________ From: Fabrice To: "[EMAIL PROTECTED]"  ...
   Author: Dhaval Shah, 2014-03-19, 15:25
[expand - 1 more] - Re: Need some information over WAL - HBase - [mail # user]
...yes WAL is a single and common file for all regions on a region server. Yes to 1.Re 2: HBase will roll over WAL files and eventually delete them when they are no longer needed.  Regards, Dha...
   Author: Dhaval Shah, 2014-02-25, 18:23
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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