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Re: Question about Block size configuration - Hadoop - [mail # user]
...The default HDFS block size 64 MB means, it is the maximum size of block ofdata written on HDFS. So, if you write 4 MB files, they will still beoccupying only 1 block of 4 MB size, not more ...
   Author: Krishna Kishore Bonagiri, 2015-05-12, 05:47
[YARN-501] Application Master getting killed randomly reporting excess usage of memory - YARN - [issue]
...I am running a date command using the Distributed Shell example in a loop of 500 times. It ran successfully all the times except one time where it gave the following error.2013-03-22 04:33:2...
http://issues.apache.org/jira/browse/YARN-501    Author: Krishna Kishore Bonagiri, 2015-05-03, 03:11
[YARN-492] Too many open files error to launch a container - YARN - [issue]
...I am running a date command with YARN's distributed shell example in a loop of 1000 times in this way:yarn jar /home/kbonagir/yarn/hadoop-2.0.0-alpha/share/hadoop/mapreduce/hadoop-yarn-appli...
http://issues.apache.org/jira/browse/YARN-492    Author: Krishna Kishore Bonagiri, 2015-05-03, 03:06
Apache Slider stop function not working - Hadoop - [mail # user]
...Hi,  I am not aware of any Slider specific group, so I am posting it here.  We are using Apache Slider 0.60 and implemented the management operationsstart, status, stop, ...
   Author: Krishna Kishore Bonagiri, 2015-03-13, 18:15
[expand - 1 more] - Using Slider as a default mechanism for HBase on HDP 2.2 - Hadoop - [mail # user]
...Hi,We just installed HDP 2.2 through Ambari. We were under the impression thatin HDP 2.2., the default deployment mechanism for HBase/Accumulo is throughSlider (i.e., they are enabled by def...
   Author: Krishna Kishore Bonagiri, 2015-02-22, 15:33
[expand - 2 more] - 100% CPU consumption by Resource Manager process - Hadoop - [mail # user]
...Hi,  My YARN resource manager is consuming 100% CPU when I am running anapplication that is running for about 10 hours, requesting as many as 27000containers. The CPU consumption w...
   Author: Krishna Kishore Bonagiri, 2014-08-10, 15:29
[expand - 1 more] - Negative value given by getVirtualCores() or getAvailableResources() - Hadoop - [mail # user]
...Hi,  I am calling getAvailableResources() on AMRMClientAsync and getting -vevalue for the number virtual cores as below. Is there something wrong?.I have set the vcores in my yarn-...
   Author: Krishna Kishore Bonagiri, 2014-08-07, 11:13
How to check what is the log directory for container logs - Hadoop - [mail # user]
...Hi,  Is there a way to check what is the log directory for container logs inmy currently running instance of YARN from the command line, I mean usingthe yarn command or hadoop comm...
   Author: Krishna Kishore Bonagiri, 2014-07-31, 12:44
[expand - 1 more] - priority in the container request - Hadoop - [mail # user]
...Hi,  Can we give the same value for priority when requesting multiplecontainers from the Application Master? Basically, I need all of thosecontainers at the same time, and I am req...
   Author: Krishna Kishore Bonagiri, 2014-06-09, 07:09
Getting the name of the host on which Application Master is launched - Hadoop - [mail # user]
...Hi,  Is there a way to get the name of the host where the AM is launched? Ihave seen that there is a method getHost() in the ApplicationReport that weget in YarnClient, but it is g...
   Author: Krishna Kishore Bonagiri, 2014-05-16, 14:00
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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