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Re: Namenode fails to start after upgrade from CDH 4.0.1 to 4.1.2 - MapReduce - [mail # user]
...Please don't cross-post, this belongs to just CDH lists.  On Nov 13, 2012, at 5:18 AM, mg wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/  ...
   Author: Arun C Murthy, 2012-11-13, 15:32
Re: Sticky Bit Problem (CDH4.1) - MapReduce - [mail # user]
...Pls ask Cloudera lists...  On Nov 7, 2012, at 9:57 AM, Brian Derickson wrote:   Arun C. Murthy Hortonworks Inc. http://hortonworks.com/  ...
   Author: Arun C Murthy, 2012-11-07, 20:11
Re: Memory based scheduling - MapReduce - [mail # user]
...Not true, take a look at my prev. response.  On Oct 30, 2012, at 9:08 AM, lohit wrote:  configurations like these are little difficult in existing version. capacity. (This is possi...
   Author: Arun C Murthy, 2012-10-30, 17:24
Re: Max Maps for default queues in FairScheduler - MapReduce - [mail # dev]
...You might just want the CapacityScheduler which has the feature(s) you  are want...  On Oct 18, 2012, at 5:03 PM, lohit wrote:  would resources. of all of contending for so it...
   Author: Arun C Murthy, 2012-10-19, 02:52
[MAPREDUCE-4603] Allow JobClient to retry job-submission when JT is in safemode - MapReduce - [issue]
...Similar to HDFS-3504, it would be useful to allow JobClient to retry job-submission when JT is in safemode (via MAPREDUCE-4328).This way applications like Pig/Hive don't bork midway when the...
http://issues.apache.org/jira/browse/MAPREDUCE-4603    Author: Arun C Murthy, 2012-10-17, 19:27
[MAPREDUCE-97] Increase map/reduce child tasks' heapsize from current default of 200M to 512M - MapReduce - [issue]
...I guess we should look to check why we get OOMs with 200M, I'd suspect io.sort.mb hogs a lot of the default 200M. However, HADOOP-1867 should be the right way to solve it. For now, I propose...
http://issues.apache.org/jira/browse/MAPREDUCE-97    Author: Arun C Murthy, 2012-10-17, 06:25
Re: sorting mechanism - MapReduce - [mail # dev]
...Look at MapTask.java (MapOutputBuffer) and ReduceTask.java and follow  the merge code.  Arun  On Sep 30, 2012, at 12:06 PM, Samaneh Shokuhi wrote:  to  Arun C. Murth...
   Author: Arun C Murthy, 2012-10-02, 06:29
[MAPREDUCE-4681] HDFS-3910 broke MR tests - MapReduce - [issue]
...HDFS-3910 changed signatures of DFSTestUtil functions and didn't change MR tests....
http://issues.apache.org/jira/browse/MAPREDUCE-4681    Author: Arun C Murthy, 2012-10-01, 14:15
[MAPREDUCE-4328] Add the option to quiesce the JobTracker - MapReduce - [issue]
...In several failure scenarios it would be very handy to have an option to quiesce the JobTracker.Recently, we saw a case where the NameNode had to be rebooted at a customer due to a random ha...
http://issues.apache.org/jira/browse/MAPREDUCE-4328    Author: Arun C Murthy, 2012-09-27, 23:01
[MAPREDUCE-4687] Add compilation of 'classic' MR1 (ant based) to jenkins builds - MapReduce - [issue]
http://issues.apache.org/jira/browse/MAPREDUCE-4687    Author: Arun C Murthy, 2012-09-26, 17:48
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