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Re: Which hardware to choose - Hadoop - [mail # user]
...Had to ask :D   On 10/02/2012 07:19 PM, Russell Jurney wrote:...
   Author: hadoopman, 2012-10-03, 01:33
Re: Java Heap space error - Hadoop - [mail # user]
...I'm curious if you have been able to track down the cause of the error?   We've seen similar problems with loading data and I've discovered if I  presort my data before the load th...
   Author: hadoopman, 2012-03-09, 06:51
Hadoop and Ubuntu / Java - Hadoop - [mail # user]
...http://www.omgubuntu.co.uk/2011/12/java-to-be-removed-from-ubuntu-uninstalled-from-user-machines/  I'm curious what this will mean for Hadoop on Ubuntu systems moving  forward. &nb...
   Author: hadoopman, 2011-12-20, 15:42
Re: Senthil wants to chat - Hadoop - [mail # user]
...SPAM 2.0 :D  On 08/27/2011 10:06 AM, Shahnawaz Saifi wrote:...
   Author: hadoopman, 2011-08-27, 22:07
Hive dynamic partition error? - Hadoop - [mail # user]
...So we're seeing the following error during some of our hive loads:  2011-07-05 12:26:52,927 Stage-2 map = 100%,  reduce = 100% Ended Job = job_201106302113_3864 Loading data to tab...
   Author: hadoopman, 2011-07-11, 17:54
Re: OutOfMemoryError: GC overhead limit exceeded - Hadoop - [mail # user]
...I've run into similar problems in my hive jobs and will look at the  'mapred.child.ulimit' option.  One thing that we've found is when  loading data with insert overwrite into...
   Author: hadoopman, 2011-06-22, 23:40
Re: Poor IO performance on a 10 node cluster. - Hadoop - [mail # user]
...Some things which helped us include setting your vm.swappiness to 0 and  mounting your disks with noatime,nodiratime options.  Also make sure your disks aren't setup with RAID (JBO...
   Author: hadoopman, 2011-06-02, 00:56
hadoop/hive data loading - Hadoop - [mail # user]
...When we load data into hive sometimes we've run into situations where  the load fails and the logs show a heap out of memory error.  If I load  just a few days (or months) of ...
   Author: hadoopman, 2011-05-10, 17:56
Re: Hadoop demand - Hadoop - [mail # user]
...My guess is it's like back in the days when Linux was considered a 'bad'  option for running a production system and people would freak out when  they found out about it.  It ...
   Author: hadoopman, 2011-04-29, 13:18
Re: fair scheduler issue - Hadoop - [mail # user]
...Still digging through it all and playing with multiple versions of  Hadoop (both the Apache and Cloudera flavors).  Looks like it's a recent  bug in Cloudera from what we're s...
   Author: hadoopman, 2011-04-26, 17:41
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