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[MAPREDUCE-4931] Add user-APIs for classpath precedence control - MapReduce - [issue]
...The feature config from MAPREDUCE-1938 of allowing tasks to start with user-classes-first is fairly popular and can use its own API hooks in Job/JobConf classes, making it easier to discover...
http://issues.apache.org/jira/browse/MAPREDUCE-4931    Author: Harsh J, 2015-03-25, 06:50
[MAPREDUCE-4424] 'mapred job -list' command should show the job name as well - MapReduce - [issue]
...Currently the mapred job -list command does not show the Job Name, just the Job ID. It would be good to display the Job name too. Idea originally from HADOOP-5555....
http://issues.apache.org/jira/browse/MAPREDUCE-4424    Author: Harsh J, 2015-03-20, 15:27
[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
[MAPREDUCE-6194] Bubble up final exception in failures during creation of output collectors - MapReduce - [issue]
...MAPREDUCE-5974 added in ability to instantiate multiple OCs, but if none of them are able to load it "throws" only a final a generic message: "Unable to initialize any output collector"The o...
http://issues.apache.org/jira/browse/MAPREDUCE-6194    Author: Harsh J, 2014-12-15, 15:33
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
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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