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[expand - 1 more] - Re: to get hadoop working around with multiple users on the same instance - Hadoop - [mail # user]
...On Fri, Nov 20, 2009 at 4:39 PM, Siddu  wrote:   *    You can still connect the machine if it run  pseudo distributed file system. But in the configuration files, us...
   Author: Jeff Zhang, 2009-11-20, 09:46
[expand - 1 more] - Re: architecture help - Hadoop - [mail # user]
...The easiest way is making your connection pool class as the static member of your mapper class.   Jeff Zhang   On Mon, Nov 16, 2009 at 7:33 AM, yz5od2 wrote:  ...
   Author: Jeff Zhang, 2009-11-16, 16:49
Re: no jobtracker to stop,no namenode to stop - Hadoop - [mail # user]
...look at the logs of job tracker, maybe you will get some clues.   Jeff Zhang    On Mon, Nov 16, 2009 at 6:45 AM, Prabhu Hari Dhanapal  wrote:  ...
   Author: Jeff Zhang, 2009-11-16, 14:57
Re: Any Way to SSH to a remote Hadoop Machine - Hadoop - [mail # user]
...Of course, you can ssh to remote hadoop cluster.  And also you can edit and compile your code outside cluster, and then submit your jar to cluster to execute your map reduce jobs.  ...
   Author: Jeff Zhang, 2009-11-16, 06:34
Re: How hard would it be to put Hadoop on an EC2 machine? - Hadoop - [mail # user]
...You can use the distribution of cloudera, it's very easy to install hadoop on ec2.  http://archive.cloudera.com/docs/ec2.html   Jeff Zhang   On Mon, Nov 16, 2009 at 1:24 PM, M...
   Author: Jeff Zhang, 2009-11-16, 05:34
[expand - 1 more] - Re: Where is the eclipse plug-in for hadoop 0.20.1 - Hadoop - [mail # user]
...Hi Stephen,  Thank you. It works   Jeff Zhang    On Mon, Nov 9, 2009 at 10:31 PM, Stephen Watt  wrote:  ...
   Author: Jeff Zhang, 2009-11-10, 09:53
Re: Problem with Hadoop - Hadoop - [mail # user]
...You can change the heapsize for child jvm by setting mapred.child.java.opts to -Xmx512m  The default heapsize is 200m which may be not enough for you, since Hama is matrix computing fra...
   Author: Jeff Zhang, 2009-11-10, 05:01
Re: Re: how to read file in hadoop - Hadoop - [mail # user]
...Maybe you can download the file to local to see what content is there.   Jeff Zhang   2009/11/10 Gang Luo   nd ms ite y) �) 11:47:02 上午 int  I n 邮箱贺卡全新上线� �� 邮箱贺卡全新上线� ��...
   Author: Jeff Zhang, 2009-11-10, 04:58
Re: Get File object from HDFS with Java - Hadoop - [mail # dev]
...No sure why you need file object. in hdfs, Path is something like File Object in local filesystem.  Jeff Zhang    On Wed, Nov 4, 2009 at 3:28 AM, iGama  wrote:  ...
   Author: Jeff Zhang, 2009-11-05, 00:06
Re: Problem regarding HDFS - Hadoop - [mail # user]
...Of course you can.  if you use hadoop 0.18.3, you only need to put hadoop-site.xml on your classpath, and put your custom configuration to this file   Jeff Zhang   On Wed, Nov...
   Author: Jeff Zhang, 2009-11-05, 00:04
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