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Re: Why hadoop should be built on JAVA? - Hadoop - [mail # user]
...This should explain it http://jz10.java.no/java-4-ever-trailer.html .  On Tue, Aug 16, 2011 at 1:17 PM, Adi  wrote:  ...
   Author: Edward Capriolo, 2011-08-17, 01:41
Re: YCSB Benchmarking for HBase - Hadoop - [mail # user]
...On Wed, Aug 3, 2011 at 6:10 AM, praveenesh kumar wrote:    I just did http://www.edwardcapriolo.com/roller/edwardcapriolo/entry/ycsb_cassandra_0_7_6.  For hbase I followed the...
   Author: Edward Capriolo, 2011-08-03, 21:32
Re: One file per mapper - Hadoop - [mail # user]
...On Tue, Jul 5, 2011 at 5:28 PM, Jim Falgout wrote:  You can also do this with MultipleInputs and MultipleOutputs classes. Each source file can have a different mapper....
   Author: Edward Capriolo, 2011-07-06, 14:46
[expand - 1 more] - Re: Jobs are still in running state after executing "hadoop job -kill jobId" - Hadoop - [mail # user]
...On Tue, Jul 5, 2011 at 11:45 AM, Juwei Shi  wrote:   I do not think they pop up very often but after days and months of running a orphans can be alive. The way I would handle it is...
   Author: Edward Capriolo, 2011-07-05, 17:29
Re: hadoop 0.20.203.0 Java Runtime Environment Error - Hadoop - [mail # user]
...That looks like an ancient version of java. Get 1.6.0_u24 or 25 from oracle.  Upgrade to a recent java and possibly update your c libs.  Edward  On Fri, Jul 1, 2011 at 7:24 PM...
   Author: Edward Capriolo, 2011-07-01, 23:42
Re: extremely imbalance in the hdfs cluster - Hadoop - [mail # user]
...We have run into this issue as well. Since hadoop is RR writing different size disks really screw things up royally especially if you are running at high capacity. We have found that decommi...
   Author: Edward Capriolo, 2011-06-29, 15:24
Re: NameNode heapsize - Hadoop - [mail # user]
...On Fri, Jun 10, 2011 at 8:22 AM, Brian Bockelman wrote:    The problem with the "buy more RAM" philosophy is the JVM's tend to have problems operating without pausing for large hea...
   Author: Edward Capriolo, 2011-06-10, 14:00
Re: Verbose screen logging on hadoop-0.20.203.0 - Hadoop - [mail # user]
...On Sun, Jun 5, 2011 at 1:04 PM, Shi Yu  wrote:   I think what is happening is you are using an older log4j.properties file with a newer hadoop. Since many classes are renamed, gone...
   Author: Edward Capriolo, 2011-06-05, 17:13
Hadoop Filecrusher! V2 Released! - Hadoop - [mail # user]
...All,  You know the story: You have data files that are created every 5 minutes. You have hundreds of servers. You want to put those files in hadoop.  Eventually: You get lots of fi...
   Author: Edward Capriolo, 2011-06-01, 19:31
Re: Why don't my jobs get preempted? - Hadoop - [mail # user]
...On Tue, May 31, 2011 at 2:50 PM, W.P. McNeill  wrote:   Try adding                  120              ...
   Author: Edward Capriolo, 2011-05-31, 19:20
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