Arun C Murthy
Vinod Kumar Vavilapalli
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Robert Joseph Evans
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[MAPREDUCE-1021] mapred-default.xml does not document all framework config parameters
...MAPREDUCE-849 renamed and categorized configuration keys. All the configuration keys should be documented with defaults in mapred-default.xml...
, 2014-07-24, 01:15
[MAPREDUCE-786] Jobtracker history should be written aysnchronously to the filesystem
...Jobtracker lock is held while writing the history events. This makes the jobtracker slow on flushes, especially when history is written to HDFS. History events should be written asynchronous...
, 2014-07-23, 21:04
Hadoop meetup in Bangalore
- [mail # user]
...Hi Bangalore Area Hadoop Developers and Users, The next Hadoop meetup is planned on August 24. Details are at: http://www.meetup.com/Bangalore-Hadoop-Meetups The idea is t...
, 2012-08-17, 11:21
[MAPREDUCE-2713] Recovery of ResourceManager
...ResourceManager needs to recover from crashes to the state where it left off. All running applications should be able to join back the restarted RM. All running containers should not be affe...
, 2012-06-18, 17:06
[MAPREDUCE-3315] Master-Worker Application on YARN
...Currently master worker scenarios are forced fit into Map-Reduce. Now with YARN, these can be first class and would benefit real/near realtime workloads and be more effective in using the cl...
, 2012-05-25, 08:08
- [mail # dev]
...I have some work pool related thoughts for MRv2 which are captured here: https://issues.apache.org/jira/browse/MAPREDUCE-3315 Please feel free to add your inputs and contribution...
, 2012-02-17, 11:18
ApplicationMaster and completed container status
- [mail # dev]
...primarily two reasons: 1. There is no recurring communication channel between NM and AM. 2. Application must act on single source of truth, which is RM. Sharad On Sun...
, 2011-11-28, 05:36
Announcing Bangalore Hadoop Meetup Group
- [mail # user]
...Hi Bangalore Area Hadoop Developers and Users, There is a lot of interest in Hadoop and Big Data space in Bangalore. Many folks have been asking for Bangalore meetups for long. I...
, 2011-11-17, 13:01
[MAPREDUCE-2807] MR-279: AM restart does not work after RM refactor
...When the AM crashes, RM is not able to launch a new App attempt....
, 2011-11-15, 00:50
[MAPREDUCE-2719] MR-279: Write a shell command application
...With nextgen hadoop (mrv2), it is simple to write non-MR applications. Write an AplicationMaster (also corresponding simple client), to submit and run a shell command application in the clus...
, 2011-11-15, 00:49
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