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Is there any design document for YARN - Hadoop - [mail # user]
...Hi ,  I am reading the yarn code, so wondering whether there's any design document for the yarn. I found the blog post on hortonworks is very useful. But more details document would be ...
   Author: Jeff Zhang, 2013-11-26, 05:34
Re: hadoop File loading - Hadoop - [mail # user]
...It will work as long as you consider the xml tag boundary in your RecordReader.  On Tue, Nov 22, 2011 at 9:20 AM, hari708  wrote:    Best Regards  Jeff Zhang...
   Author: Jeff Zhang, 2011-11-22, 08:20
Re: Can not access hadoop cluster from outside - Hadoop - [mail # user]
...I find the reason. This is because I use different version of hadoop between server side and client. Seems CDH is not compatible with apache release version   On Fri, Jun 3, 2011 at 1:1...
   Author: Jeff Zhang, 2011-06-03, 01:13
Re: Is there any way to add jar when invoking hadoop command - Hadoop - [mail # user]
...Thanks, it works   On Wed, Mar 23, 2011 at 10:04 AM, James Seigel  wrote:    Best Regards  Jeff Zhang...
   Author: Jeff Zhang, 2011-03-23, 02:37
Re: how to perform dfs -ls as a request from www - Hadoop - [mail # user]
...If you are using Java Servlet, then you can use HDFS Java API directly.   Use FileSystem.listStatus instead of call shell, and put core-site.xml hdfs-site.xml on your classpath.  I...
   Author: Jeff Zhang, 2010-11-12, 02:30
Re: JobConf - Hadoop - [mail # user]
...Sorry, I do not get your point. What do you mean ?   On Fri, Nov 12, 2010 at 1:57 AM, maha  wrote: om different classes? Is there like a spacial way to search Java APIs? d hadoop-0...
   Author: Jeff Zhang, 2010-11-12, 02:22
Re: mapper and reducer scheduling - Hadoop - [mail # dev]
...TaskTracker will tell JobTracker how many free slots it has through heartbeat. And JobTracker will choose the best tasktracker with the consideration of data locality.   On Thu, Oct 28,...
   Author: Jeff Zhang, 2010-10-29, 07:15
How about hadoop world 2010 ? - Hadoop - [mail # user]
...Hi all,  I haven't the opportunity to attend the hadoop world 2010, but still curious to know the conference and hear the voice from the attendees. And it would be better if someone can...
   Author: Jeff Zhang, 2010-10-19, 16:46
Re: Corrupted input data to map - Hadoop - [mail # user]
...You can read the input as plain text then do type conversion in mapper, if there's NumberFormatException happens, you can decide how to do with it , like add a customized Counter to record i...
   Author: Jeff Zhang, 2010-10-16, 01:21
Re: another quick question - Hadoop - [mail # user]
...Hi Maha ,  I don't think the hadoop.tmp.dir relates the problem of web ui. The web ui is bind to 0.0.0.0:50070 And localhost is mapped to 127.0.0.1 of your home machine in your client s...
   Author: Jeff Zhang, 2010-10-06, 21:41
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