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Re: How does MergeQueue.merge actually sort <K,V> from different segments ?? - Hadoop - [mail # user]
...Please note this:  private static class MergeQueue   extends PriorityQueue> implements RawKeyValueIterator {  priority queue is used to accomplish sorting.  On Fri, Ju...
   Author: Ted Yu, 2010-06-20, 15:04
Re: Reduce starts as Map finishes - Hadoop - [mail # user]
...mapred.reduce.slowstart. completed.maps is the setting you are looking for.  See also https://issues.apache.org/jira/browse/MAPREDUCE-1184   On Sun, Jun 20, 2010 at 2:19 AM, biblio...
   Author: Ted Yu, 2010-06-20, 14:40
Re: Set LOG.Info in FileInputFormat.java doesn't work!? - Hadoop - [mail # user]
...If you outline what runtime information you want to collect, other people may be able to help you better.  There're two ways to collect such data without modifying hadoop source code: t...
   Author: Ted Yu, 2010-06-19, 18:03
Re: Libhdfs use in pipes program - Hadoop - [mail # user]
...You can find it at lib/native/Linux-i386-32/libhdfs.so.0 or lib/native/Linux-amd64-64/libhdfs.so.0, depending on your OS.  Please also make sure that LD_LIBRARY_PATH contains your choic...
   Author: Ted Yu, 2010-06-17, 20:47
Re: No KeyValueTextInputFormat in hadoop-0.20.2? - Hadoop - [mail # user]
...Have you checked src/mapred/org/apache/hadoop/mapred/KeyValueTextInputFormat.java ?  On Mon, Jun 14, 2010 at 6:51 AM, Kevin Tse  wrote:  ...
   Author: Ted Yu, 2010-06-14, 14:03
Re: Hadoop 0.20.2 looking *inside* a file in the input path for files? - Hadoop - [mail # user]
...See https://issues.apache.org/jira/browse/MAPREDUCE-1734  BTW, it's easier for other people to reproduce your scenario if you post your code.  On Sun, Jun 13, 2010 at 3:35 AM, suck...
   Author: Ted Yu, 2010-06-13, 14:31
Re: where is hadoop-streaming? - Hadoop - [mail # user]
...You can create an account on http://wiki.apache.org/hadoop/HadoopStreamingand then edit it to show the correct location.  On Sat, Jun 12, 2010 at 12:28 PM, Michael Robinson wrote:  ...
   Author: Ted Yu, 2010-06-12, 20:43
Re: Creating URL using "hdfs://" fails with unknown protocol exception. - Hadoop - [mail # user]
...Take a look at test/org/apache/hadoop/fs/TestUrlStreamHandler.java where you can find how to use FsUrlStreamHandlerFactory.  On Fri, Jun 11, 2010 at 9:59 AM, Bryan Moore  wrote: &n...
   Author: Ted Yu, 2010-06-12, 12:02
Re: Why not having mapred.tasktracker.tasks.maximum? - Hadoop - [mail # user]
...See https://issues.apache.org/jira/browse/HADOOP-3420 This topic was discussed two years ago.  On Fri, Jun 11, 2010 at 8:45 AM, Edward Capriolo wro te:  es e . t...
   Author: Ted Yu, 2010-06-12, 03:51
Re: Java run-time error while executing my application - unable to find the files on the HDFS - Hadoop - [mail # user]
...In the future, post snippet of your code.  I suggest you take a look at this method in core/org/apache/hadoop/fs/FsShell.java:   private FileSystem getSrcFileSystem(Path src, boole...
   Author: Ted Yu, 2010-06-10, 16:22
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