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Re: Namenode memory usage - Hadoop - [mail # user]
...Thanks Brahma,  I am kind of afraid to run the command, I had an issue on jobtracker early this year. I launched the command and it caused the jobtracker stop responding long enough til...
   Author: Patai Sangbutsarakum, 2013-06-18, 18:36
Re: Namenode memory usage - Hadoop - [mail # user]
...Chris, Thanks a million; it's the huge relieve. My next action is turn on the GC and verify if it ever goes to full GC a lot.  I do appreciate your help.   On Mon, Jun 17, 2013 at ...
   Author: Patai Sangbutsarakum, 2013-06-17, 23:12
Re: Hardware Selection for Hadoop - Hadoop - [mail # user]
...2 x Quad cores Intel 2-3 TB x 6 SATA 64GB mem 2 NICs teaming  my 2 cents   On Apr 29, 2013, at 9:24 AM, Raj Hadoop >  wrote:  Hi,  I have to propose some hardware...
   Author: Patai Sangbutsarakum, 2013-04-29, 18:49
Re: Spindle per Cores - Hadoop - [mail # user]
...Thanks everyone. I think I got the idea and I would start to think in reverse by looking at  the budget that willing to pay for the cluster then get the best performance that can keep r...
   Author: Patai Sangbutsarakum, 2012-10-13, 05:53
Re: migrate cluster to different datacenter - Hadoop - [mail # user]
...thanks for response. Physical move is not a choice in this case. Purely looking for copying data and how to catch up with the update of a file while it is being migrated.  On Fri, Aug 3...
   Author: Patai Sangbutsarakum, 2012-08-03, 21:19
migrate cluster to different datacenter - Hadoop - [mail # user]
...Hi Hadoopers,  We have a plan to migrate Hadoop cluster to a different datacenter where we can triple the size of the cluster. Currently, our 0.20.2 cluster have around 1PB of data. We ...
   Author: Patai Sangbutsarakum, 2012-08-03, 18:50
Re: rack awareness and safemode - Hadoop - [mail # user]
...Roger that  On Thu, Mar 22, 2012 at 10:40 AM, John Meagher  wro te: 3...
   Author: Patai Sangbutsarakum, 2012-03-22, 17:55
tasktracker/jobtracker.. expectation.. - Hadoop - [mail # user]
...Hi all,  I have a job fail this morning because of 2 tasks were trying to write into disk that somehow turned read-only. Originally, i was thinking/dreaming that in this case somehow th...
   Author: Patai Sangbutsarakum, 2012-03-22, 17:55
Re: rack awareness and safemode - Hadoop - [mail # user]
...I restarted the cluster yesterday with rack-awareness enable. Things went well. confirm that there was no issues at all.  Thanks you all again.   On Tue, Mar 20, 2012 at 4:19 PM, P...
   Author: Patai Sangbutsarakum, 2012-03-22, 17:36
Re: rack awareness and safemode - Hadoop - [mail # user]
...Thanks you all.   On Tue, Mar 20, 2012 at 2:44 PM, Harsh J  wrote:...
   Author: Patai Sangbutsarakum, 2012-03-20, 23:19
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