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[MAPREDUCE-5488] Job recovery fails after killing all the running containers for the app - MapReduce - [issue]
...Here is the client stack traceRUNNING: /usr/lib/hadoop/bin/hadoop jar /usr/lib/hadoop-mapreduce/hadoop-mapreduce-examples- wordcount "-Dmapreduce.reduce.input.limit=-1" /...
http://issues.apache.org/jira/browse/MAPREDUCE-5488    Author: Arpit Gupta, 2015-06-30, 08:18
[YARN-1878] Yarn standby RM taking long to transition to active - YARN - [issue]
...In our HA tests we are noticing that some times it can take upto 10s for the standby RM to transition to active....
http://issues.apache.org/jira/browse/YARN-1878    Author: Arpit Gupta, 2015-06-30, 05:34
Re: [VOTE] Release Apache Hadoop 2.7.1 RC0 - YARN - [mail # dev]
...+1 (non binding)We have been testing rolling upgrades and downgrades from 2.6 to this release and have had successful runs. Arpit GuptaHortonworks Inc.http://hortonworks.com/ ...
   Author: Arpit Gupta, 2015-06-29, 20:04
[HIVE-10883] Hive should provide daemon scripts to start metastore and hiveserver2 - Hive - [issue]
...Hive currently provide's no daemon scripts to launch its services. User has to start a service put it background and manage pid's himself.This is pretty bad user experience. We should have d...
http://issues.apache.org/jira/browse/HIVE-10883    Author: Arpit Gupta, 2015-06-01, 19:29
[AMBARI-1241] Add support for Ubuntu - Ambari - [issue]
...parent task for enabling ubuntu support in ambari.We will work on Ubuntu Server 12.04...
http://issues.apache.org/jira/browse/AMBARI-1241    Author: Arpit Gupta, 2015-05-16, 19:57
[YARN-1885] RM may not send the app-finished signal after RM restart to some nodes where the application ran before RM restarts - YARN - [issue]
...During our HA testing we have seen cases where yarn application logs are not available through the cli but i can look at AM logs through the UI. RM was also being restarted in the background...
http://issues.apache.org/jira/browse/YARN-1885    Author: Arpit Gupta, 2015-05-11, 23:44
[YARN-1886] Exceptions in the RM log while cleaning up app attempt - YARN - [issue]
...Noticed exceptions in the RM log while HA tests were running where we killed RM/AM/Namnode etc.RM failed over and the new active RM tried to kill the old app attempt and ran into this except...
http://issues.apache.org/jira/browse/YARN-1886    Author: Arpit Gupta, 2015-05-11, 23:44
[YARN-1252] Secure RM fails to start up in secure HA setup with Renewal request for unknown token exception - YARN - [issue]
...2013-09-26 08:15:20,507 INFO  ipc.Server (Server.java:run(861)) - IPC Server Responder: starting2013-09-26 08:15:20,521 ERROR security.UserGroupInformation (UserGroupInformation.java:do...
http://issues.apache.org/jira/browse/YARN-1252    Author: Arpit Gupta, 2015-05-08, 11:22
[HBASE-4523] dfs.support.append config should be present in the hadoop configs, we should remove them from hbase so the user is not confused when they see the config in 2 places - HBase - [issue]
http://issues.apache.org/jira/browse/HBASE-4523    Author: Arpit Gupta, 2015-04-21, 01:44
[YARN-800] Clicking on an AM link for a running app leads to a HTTP 500 - YARN - [issue]
...Clicking the AM link tries to open up a page with url likehttp://hostname:8088/proxy/application_1370886527995_0645/and this leads to an HTTP 500...
http://issues.apache.org/jira/browse/YARN-800    Author: Arpit Gupta, 2015-04-04, 03:58
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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