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[expand - 1 more] - Re: upgrade from Hadoop 0.21.0 to a newer version?? - Hadoop - [mail # user]
...On Aug 21, 2011, at 11:00 PM, steven zhuang wrote:   It is tricky (lots of config work), but you could always run the  two versions in parallel on the same gear, distcp from 0.21 ...
   Author: Allen Wittenauer, 2011-08-22, 16:21
[expand - 1 more] - Re: Hadoop cluster optimization - Hadoop - [mail # user]
...On Aug 22, 2011, at 3:00 AM, אבי ווקנ� �ן wrote: that's and   This should allow you to bump up the memory and/or increase the  task count.  bit?   I've run several instan...
   Author: Allen Wittenauer, 2011-08-22, 16:19
Re: Why hadoop should be built on JAVA? - Hadoop - [mail # user]
...On Aug 15, 2011, at 9:00 PM, Chris Song wrote:   http://www.quora.com/Why-was-Hadoop-written-in-Java      http://www.quora.com/Would-Hadoop-be-different-if-it-were-coded-...
   Author: Allen Wittenauer, 2011-08-22, 04:21
Re: Hadoop Streaming 0.20.2 and how to specify number of reducers per node -- is it possible? - Hadoop - [mail # user]
...On Aug 17, 2011, at 12:36 AM, Steven Hafran wrote: properties impact.   "tasktracker" is the hint:  that's a server side setting.   You're looking for the mapred.reduce.tasks ...
   Author: Allen Wittenauer, 2011-08-22, 04:18
Re: Question regarding Capacity Scheduler - Hadoop - [mail # user]
...On Aug 17, 2011, at 10:53 AM, Matt Davies wrote:  same user the when   No.  You'll need a different queue....
   Author: Allen Wittenauer, 2011-08-22, 04:17
[expand - 2 more] - Re: [VOTE] Should we release 0.20.204.0rc2? - Hadoop - [mail # dev]
...On Aug 18, 2011, at 12:28 AM, Owen O'Malley wrote: seeing some failures, but not that many. On a terasort with 15,000 maps  and 200 reduces, I ran the following cases: race condition in...
   Author: Allen Wittenauer, 2011-08-18, 17:37
Re: cmdenv LD_LIBRARY_PATH - Hadoop - [mail # user]
...On Aug 5, 2011, at 11:37 AM, Keith Wiley wrote: single,double,back quotes and back slashes?  I'm uncertain of the proper  sequence.   Rather than depend upon environment varia...
   Author: Allen Wittenauer, 2011-08-10, 20:04
[expand - 1 more] - Re: Dedicated disk for operating system - Hadoop - [mail # general]
...On Aug 10, 2011, at 7:56 AM, Evert Lammerts wrote:  are behind that config.   If Dell is shipping the same box they shipped us to test a few  months ago, the performance was p...
   Author: Allen Wittenauer, 2011-08-10, 19:04
Re: Architectural Questions - Hadoop - [mail # dev]
...On Aug 9, 2011, at 2:28 PM, Harsh J wrote:  wrote: the Hadoop (HDFS, MapReduce) Flume, etc ...)   general@ is still just Hadoop....
   Author: Allen Wittenauer, 2011-08-10, 03:30
[expand - 2 more] - Re: hadoop JARs not in lib/ directory of layout - Hadoop - [mail # dev]
...On Aug 4, 2011, at 1:59 PM, Alejandro Abdelnur wrote:   Re-read what I said:  break.   It still remains a potential issue for those of us who build our  own and don't lik...
   Author: Allen Wittenauer, 2011-08-04, 21:12
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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