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[MAPREDUCE-219] JT should remember blacklisted TT after restart - MapReduce - [issue]
...Currently, when JT is restarted , it does not remember any TT(s) which was blacklisted across the cluster before the restart. It would be useful if a new feature could be added for JT to rem...
http://issues.apache.org/jira/browse/MAPREDUCE-219    Author: Ramya Sunil, 2014-07-21, 22:36
[MAPREDUCE-3043] Missing containers info on the nodes page - MapReduce - [issue]
...The containers info on the nodes page on the RM seems to be missing. This was useful in understanding the usage on each of the nodemanagers....
http://issues.apache.org/jira/browse/MAPREDUCE-3043    Author: Ramya Sunil, 2014-04-29, 15:46
[MAPREDUCE-5766] Ping messages from attempts should be moved to DEBUG - MapReduce - [issue]
...Messages such as "org.apache.hadoop.mapred.TaskAttemptListenerImpl: Ping from attempt_1391416522080_0015_m_000000_0" in AM logs should be moved to DEBUG....
http://issues.apache.org/jira/browse/MAPREDUCE-5766    Author: Ramya Sunil, 2014-02-27, 14:53
Re: [VOTE] Release Apache Hadoop 2.2.0 - MapReduce - [mail # dev]
...+1 Deployed on secure and nonsecure clusters. Ran some hdfs, MR and yarn tests. Seems good to me.   On Mon, Oct 7, 2013 at 12:21 PM, Alejandro Abdelnur wrote:   CONFIDENTIALITY NOT...
   Author: Ramya Sunil, 2013-10-07, 21:42
[MAPREDUCE-3841] Broken Server metrics and Local logs link under the tools menu - MapReduce - [issue]
...Local logs link redirects to the cluster page and Server metrics opens an empty page on the RM/JHS homepage. So does the links from nodemanager UI....
http://issues.apache.org/jira/browse/MAPREDUCE-3841    Author: Ramya Sunil, 2013-08-28, 00:46
Re: [VOTE] Release Apache Hadoop 2.1.0-beta - MapReduce - [mail # dev]
...-1. Some of the cli and distcp system tests which use hftp:// and webhdfs:// are failing on secure cluster (HDFS-4841 and HDFS-4952/HDFS-4896). This is a regression and we need to make sure ...
   Author: Ramya Sunil, 2013-07-03, 00:10
Re: Heads up: branch-2.1-beta - MapReduce - [mail # dev]
...We have started testing branch-2.1-beta and for most parts the code looks very stable. We have deployed both secure and non-secure multinode clusters.  We had some minor hiccups with so...
   Author: Ramya Sunil, 2013-06-10, 16:35
[MAPREDUCE-1397] NullPointerException observed during task failures - MapReduce - [issue]
...In an environment where many jobs are killed simultaneously, NPEs are observed in the TT/JT logs when a task fails. The situation is aggravated when the taskcontroller.cfg is not configured ...
http://issues.apache.org/jira/browse/MAPREDUCE-1397    Author: Ramya Sunil, 2013-05-20, 16:26
[MAPREDUCE-3080] dfs calls from streaming fails with ExceptionInInitializerError - MapReduce - [issue]
...Dfs calls from streaming seem to fail with the following error:Exception in thread "main" java.lang.ExceptionInInitializerError at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:57) a...
http://issues.apache.org/jira/browse/MAPREDUCE-3080    Author: Ramya Sunil, 2013-05-14, 06:14
[MAPREDUCE-858] NPE in heartbeat if "mapred.job.tracker.history.completed.location" is not writable - MapReduce - [issue]
...If "mapred.job.tracker.history.completed.location" has been configured to write to a location which is not writable by JT, NullPointerException is thrown in TT heartbeat. Below is the Except...
http://issues.apache.org/jira/browse/MAPREDUCE-858    Author: Ramya Sunil, 2013-05-07, 01:17
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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