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[MAPREDUCE-4414] Add main methods to JobConf and YarnConfiguration, for debug purposes - MapReduce - [issue]
...Just like Configuration has a main() func that dumps XML out for debug purposes, we should have a similar function under the JobConf and YarnConfiguration classes that do the same. This is u...
http://issues.apache.org/jira/browse/MAPREDUCE-4414    Author: Harsh J, 2015-03-17, 15:34
[MAPREDUCE-4253] Tests for mapreduce-client-core are lying under mapreduce-client-jobclient - MapReduce - [issue]
...Many of the tests for client libs from mapreduce-client-core are lying under mapreduce-client-jobclient.We should investigate if this is the right thing to do and if not, move the tests back...
http://issues.apache.org/jira/browse/MAPREDUCE-4253    Author: Harsh J, 2015-03-11, 21:06
Re: MR Code example with Kerberos Authentication - MapReduce - [mail # dev]
...The use of kerberos is transparent to job development, unless you havelong-running application needs.When properly configured to use security (via the XML files), theJobClient/etc. will auto...
   Author: Harsh J, 2015-02-24, 07:26
[MAPREDUCE-5492] Suppress expected log output stated on MAPREDUCE-5 - MapReduce - [issue]
...Jetty in MR1 may produce an expected EOFException during its operation that we shouldn't log out in ERROR form.This shouldn't affect MR2, however, as it uses Netty.See MAPREDUCE-5 (Jothi's c...
http://issues.apache.org/jira/browse/MAPREDUCE-5492    Author: Harsh J, 2015-02-05, 17:46
Re: Hadoop-QA finds FindBugs issues in code I did not even touch - MapReduce - [mail # dev]
...We've upgraded the version of findbugs in use and are yet to clear thenew found ones out. You can track the overall progress athttps://issues.apache.org/jira/browse/HADOOP-10477. For the mom...
   Author: Harsh J, 2014-12-28, 07:44
Re: Using hadoop with other distributed filesystems - MapReduce - [mail # dev]
...NameNodes and DataNodes are services that are part of HDFS. Why areyou attempting to start them on top of your own DFS?On Thu, Dec 18, 2014 at 6:35 AM, Behrooz Shafiee  wrote:Harsh J&nb...
   Author: Harsh J, 2014-12-18, 07:29
Re: How to process part of a file in Hadoop? - MapReduce - [mail # dev]
...You can write a custom InputFormat whose #getSplits(...) returns yourrequired InputSplit objects (with randomised offsets + lengths, etc.).On Fri, Feb 7, 2014 at 9:50 PM, Suresh S  wrot...
   Author: Harsh J, 2014-02-08, 04:55
[MAPREDUCE-3839] Improve the single node setup docs for MR - MapReduce - [issue]
...I'm gonna be recording all nits I can about the page at http://hadoop.apache.org/common/docs/r0.23.0/hadoop-yarn/hadoop-yarn-site/SingleCluster.html here: The section at http://hadoop.apache...
http://issues.apache.org/jira/browse/MAPREDUCE-3839    Author: Harsh J, 2014-01-31, 05:30
Re: how to set org.apache.hadoop classpath? - MapReduce - [mail # dev]
...The imports referenced in your error come from the hadoop-common jar,and won't be present in the hadoop-mapreduce-client-core jar.The most ideal way to set your compile classpath would be to...
   Author: Harsh J, 2014-01-27, 22:21
[MAPREDUCE-2584] Check for serializers early, and give out more information regarding missing serializers - MapReduce - [issue]
...As discussed on HADOOP-7328, MapReduce can handle serializers in a much better way in case of bad configuration, improper imports (Some odd Text class instead of the Writable Text set as key...
http://issues.apache.org/jira/browse/MAPREDUCE-2584    Author: Harsh J, 2014-01-20, 06:09
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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