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Re: Fair Scheduler pools regardless of users - HDFS - [mail # user]
...'-Dmapred.fairscheduler.pool=pool_name' will just shoot to the specified pool.  /server/hadoop/bin/hadoop jar hadoop-examples-0.20.2-cdh3u0.jar wordcount -Dmapred.fairscheduler.pool=poo...
   Author: Patai Sangbutsarakum, 2013-12-12, 08:30
Re: how to handle the corrupt block in HDFS? - HDFS - [mail # user]
...10 copies for those job.jar and split are controlled by mapred.submit.replication property at job init level.    On Mon, Dec 9, 2013 at 5:20 PM, ch huang  wrote:  ...
   Author: Patai Sangbutsarakum, 2013-12-10, 20:39
namnode log parsing - HDFS - [mail # user]
...I wonder if anyone parsing namenode log in routine basis. i am shopping the tool for this, and no $plunk as because it is expensive, so far logstash seems as a good candidate. The thing is i...
   Author: Patai Sangbutsarakum, 2013-11-13, 01:17
Re: Jobtracker page hangs ..again. - HDFS - [mail # user]
...Thanks harsh,  Appreciate your input, as always.  On Aug 12, 2013, at 20:01, Harsh J  wrote:  ...
   Author: Patai Sangbutsarakum, 2013-08-13, 08:25
Moving namenode and jobtracker to beefier machines - HDFS - [mail # user]
...It's time to upgrade namenode and jobtracker machines to better beefier boxes. Thus, we can have peaceful summer at least not worry from broken machines!!  Current setup NN and JT are r...
   Author: Patai Sangbutsarakum, 2013-06-21, 19:44
Namenode memory usage - HDFS - [mail # user]
...Hi Hadoopers,  My dedicated Namenode box has 48G of memory, 40G is allocated for NN. HEAP  This is from 50070/dfshealth.jsp *28540193 files and directories, 32324098 blocks = 60864...
   Author: Patai Sangbutsarakum, 2013-06-17, 20:03
Re: Rack-awareness in Hadoop-2.0.3-alpha - HDFS - [mail # user]
...I believe that his topology.sh and .data files are already correct. bash topology.sh 172.31.13.133 mustaqeem-1 mustaqeem-4 /default/rack /rack2 /rack3  output looks exactly the same as ...
   Author: Patai Sangbutsarakum, 2013-05-22, 17:55
Re: Linux io scheduler - HDFS - [mail # user]
...Thanks Chris for response, I would love to try out. What would be the metric(s) that we will be use to measure if we improve thing.?   On Tue, Apr 2, 2013 at 11:24 AM, Chris Embree &nbs...
   Author: Patai Sangbutsarakum, 2013-04-03, 17:25
Re: where reduce is copying? - HDFS - [mail # user]
...Thanks Harsh, you always the first..  Yeah, that's really make sense, copy inbound those output of mappers to running reduce task attempt.  I am trying to think that the speed of 0...
   Author: Patai Sangbutsarakum, 2013-02-28, 07:23
Re: JobTracker security - HDFS - [mail # user]
...Kerberos  From: Serge Blazhievsky > Reply-To: > Date: Tue, 26 Feb 2013 15:29:08 -0800 To: > Subject: JobTracker security  Hi all,  Is there a way to restrict job moni...
   Author: Patai Sangbutsarakum, 2013-02-26, 23:31
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