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How to manually sync. JournalNode - Hadoop - [mail # user]
...Hi Guys,I have some issue with one of my JournalNode, it's not properly syncingamong other JN, How can I sync JN. otherwise can I restart the JN.serviceit automatically sync wtih edit logs.-...
   Author: Dhanasekaran Anbalagan, 2014-10-15, 13:40
How to increase Fair Scheduler concurrent running jobs per user and per pool. - Hadoop - [mail # user]
...Hi Guys,Currently I am using Fair Scheduler in my cluster. By default it's limitingthe number of concurrent running jobs per user and per pool = 30.It's allowing 30 concurrent jobs by defaul...
   Author: Dhanasekaran Anbalagan, 2014-10-05, 06:33
Fair Scheduler job Pool change via command line - Hadoop - [mail # user]
...Hi Guys,I like know any command line option's for changing job's pool change.I can do via UI scheduler page. http://x.x.x.x:50030/scheduler?advancedI am using :: hadoop-2.0.0-mr1-cdh4.4.0-Dh...
   Author: Dhanasekaran Anbalagan, 2014-10-05, 06:10
HBase Master crashing 0.94.6-cdh4.4.0. - Hadoop - [mail # user]
...Hi Guys,I have some issue with Hbase Master, When I restart it's not startingproperly it's says Forcing OFFLINE one of my table and Stopped hbase-MasterProcess2014-09-27 00:52:09,387 DEBUG*o...
   Author: Dhanasekaran Anbalagan, 2014-09-27, 05:08
YARN Newbie Question in ApplicationMaster - Hadoop - [mail # user]
...Hi Guys,I am new to yarn framework, for example I have a yarn cluster, I amplanning to submit mapreduce  and storm and sprk applications,Please correct me I am wrong.when I submit each ...
   Author: Dhanasekaran Anbalagan, 2014-09-26, 01:18
How to monitor Hbase thrift service - HBase - [mail # user]
...Hi Guys,How to monitor Hbase-Thrift service. I already tried JMX metrics for thriftserivce.it's exposed very limited metrics. I using hbase-0.94.6-cdh4.4.0,<mbean name="hadoop.thrift"obje...
   Author: Dhanasekaran Anbalagan, 2014-02-22, 20:16
Hadoop-streaming : PYTHONPATH not working when mapper runs - MapReduce - [mail # user]
...Hi Guys,  I have problem when I ran hadoop streaming PYTHONPATH environment variable not properly getting value. when I try to extend sys.path code level  not working. It's says Ke...
   Author: Dhanasekaran Anbalagan, 2014-01-09, 00:53
Need YARN - Test job. - HDFS - [mail # user]
...Hi Guys,  we recently installed CDH5 in our test cluster. we need any test job for YARN framework.  we are able to run mapreduce job successfully on YARN framework without code cha...
   Author: Dhanasekaran Anbalagan, 2014-01-02, 22:03
difference b/w distcp and distcp2 - HDFS - [mail # user]
...Hi Guys,  I want to know what is difference between distcp and distcp2  please guide me.  -Dhanasekaran.  Did I learn something today? If not, I wasted it....
   Author: Dhanasekaran Anbalagan, 2013-11-06, 21:14
show processlist equivalent in Hbase - HBase - [mail # user]
...Hi Guys,  I want know show processlist in mysql equivalent in hbase any tool is there?. In Hbase Master webpage says only requestsPerSecond and table details only. I want know which pro...
   Author: Dhanasekaran Anbalagan, 2013-09-17, 12:41
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