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RE: Why not a restart region server  serve the WAL logs the last RS Write? - HBase - [mail # dev]
...Hi the power of rack or a datacenter is down?  At this scenario why you think that a log replay is not needed? Becuase some data might have been there only in memstore. How we get back ...
   Author: Anoop Sam John, 2013-01-16, 12:04
RE: Coprocessor / threading model - HBase - [mail # user]
...Thanks Andrew. A detailed and useful reply.... Nothing more needed to explain the anti pattern..  :)  -Anoop- ________________________________________ From: Andrew Purtell [[EMAIL ...
   Author: Anoop Sam John, 2013-01-16, 04:39
[expand - 15 more] - RE: HBase - Secondary Index - HBase - [mail # user]
...Totally agree with Lars.  The design came up as per our usage and data distribution style etc. Also the put performance we were not able to compromise. That is why the region collocatio...
   Author: Anoop Sam John, 2013-01-09, 03:22
RE: responsetooslow from regionserver - HBase - [mail # user]
...This logs warns that the operation at the region server side is taking too much time...  This is not an error... Pls check your cluster. You have hot spotting ?  Also can check the...
   Author: Anoop Sam John, 2013-01-04, 11:46
[expand - 1 more] - RE: reginoserver's log analysis? - HBase - [mail # user]
...I guess you mean  "what is blocking memstore size" This you can configure using 2 properties. 1. hbase.hregion.memstore.flush.size -> Using this you specify when the memstore to be f...
   Author: Anoop Sam John, 2013-01-03, 12:37
RE: which API is to get table meta data in hbase - HBase - [mail # user]
...number in the give table, I say , hbase has this meta data, is it,         And which API is to get it, and how to use API,  There is no such meta data for a table. &...
   Author: Anoop Sam John, 2012-12-27, 08:23
RE: how to use API to statistic how many message has been store in the table in hbase - HBase - [mail # user]
...So you want to know the no# of rows in a table? Have a look at AggregationClient#rowCount()   -Anoop- ________________________________________ From: tgh [[EMAIL PROTECTED]] Sent: Thursd...
   Author: Anoop Sam John, 2012-12-27, 05:31
[expand - 1 more] - RE: The sound of silence - HBase - [mail # dev]
...Sure.. Starting with that...  -Anoop- ________________________________________ From: Nick Dimiduk [[EMAIL PROTECTED]] Sent: Friday, December 21, 2012 4:00 AM To: [EMAIL PROTECTED] Subje...
   Author: Anoop Sam John, 2012-12-21, 03:43
RE: Can Hbase run on NFS cluster - HBase - [mail # user]
...Can you check for the logs at the region server side where the region split happens? Paste the logs at this point if some exception happens. You can see the split code from CompactSpiltThrea...
   Author: Anoop Sam John, 2012-12-20, 06:13
[expand - 1 more] - RE: MR missing lines - HBase - [mail # user]
...Hi All            Be careful with selecting the Delete#deleteColumn() Delete#deleteColumns(). deleteColumn() API is to delete just one version of a column in a ...
   Author: Anoop Sam John, 2012-12-20, 04:24
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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