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Re: [VOTE] Release Apache Hadoop 2.3.0 - Hadoop - [mail # dev]
...+1, non-bindingsuccessful compiled on MacOS 10.7deployed to Fedora 7 and run test job without any problem.On Tue, Feb 11, 2014 at 8:49 AM, Arun C Murthy  wrote: ...
   Author: Chen He, 2014-02-11, 22:07
Re: [VOTE] Merge YARN-321 Generic Application History Service to trunk - Hadoop - [mail # dev]
...As a cluster resource management platform, generic history service is necessary for job-tracing, troubleshooting, fault tolerance, and performance tuning. Like StarterLog in Condor, accounti...
   Author: Chen He, 2014-01-17, 21:55
Re: [VOTE] Merge HDFS-2832 Heterogeneous Storage Phase 1 to trunk - Hadoop - [mail # dev]
...+1 nice feature for HDFS   On Fri, Dec 6, 2013 at 7:32 PM, Arpit Agarwal wrote:  ...
   Author: Chen He, 2013-12-07, 01:35
[expand - 1 more] - Re: Using NFS mounted volume for Hadoop installation/configuration - Hadoop - [mail # user]
...Cloudera manager or Zettaset can be a choice if you like easy configuration. This type of software will do the rysnc for you.  On Mon, Feb 18, 2013 at 12:53 PM, Mehmet Belgin  wrot...
   Author: Chen He, 2013-02-18, 19:01
Re: what will happen when HDFS restarts but with some dead nodes - Hadoop - [mail # user]
...That is correct if you do not manually exit NN safemode.  Regards  Chen On Jan 30, 2013 8:59 AM, "Jean-Marc Spaggiari"  wrote:  ...
   Author: Chen He, 2013-01-30, 15:28
[expand - 1 more] - Re: Instructions on how to run Apache Hadoop 2.0.2-alpha? - Hadoop - [mail # user]
...Hi Glen  I agree with you. There are many versions and confusing. If you really want to know, you can check the developing and publishing documents. In 0.23's document, they must announ...
   Author: Chen He, 2013-01-04, 16:17
[expand - 1 more] - Re: more reduce tasks - Hadoop - [mail # user]
...Hi Bejoy  Thank you for your idea.  The hadoop patch I said means this merge happens during the output writing process.  Regards!  Chen On Jan 3, 2013 11:25 PM,  wro...
   Author: Chen He, 2013-01-04, 05:32
Re: migrate cluster to different datacenter - Hadoop - [mail # user]
...sometimes, physically moving hard drives helps.   :) On Aug 3, 2012 1:50 PM, "Patai Sangbutsarakum"  wrote:  ...
   Author: Chen He, 2012-08-03, 19:40
[expand - 1 more] - Re: Re: HDFS block physical location - Hadoop - [mail # user]
...For block to filename mapping, you can get from my previous answer.  For block to harddisk mapping, you may need to traverse all the directory that used for HDFS, I am sure your OS has ...
   Author: Chen He, 2012-07-25, 22:20
[expand - 2 more] - Re: AUTO: Yuan Jin is out of the office. (returning 07/25/2012) - Hadoop - [mail # user]
...BTW, this is a Hadoop user group. You are welcomed to ask question and give solution to help people. Please do not pollute this technical environment.  To Yuan Jin: DO NOT send me your ...
   Author: Chen He, 2012-07-24, 02:45
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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