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Re:Re: Re: how to define new InputFormat with streaming? - Hadoop - [mail # dev]
...you are right!  Now the import path is all right.         At 2013-03-18 09:57:33,"Harsh J"  wrote:...
[+ more]    Author: springring, 2013-03-18, 02:48
WholeFileInputFormat  with  streaming - Hadoop - [mail # dev]
...Hi,      I want to use: hadoop jar /hadoop-streaming-0.20.2-cdh3u3.jar -inputformat org.apache.hadoop.streaming.WholeFileInputFormat      so, I download code fr...
   Author: springring, 2013-03-02, 08:18
Hive utf8 - Hadoop - [mail # dev]
...Hi,     I put some file include chinese into HDFS.    And read the file as "hadoop fs -cat /user/hive/warehouse/..." ,  is ok, I can see the chinese.    Bu...
   Author: springring, 2013-01-16, 01:54
Re:Re:Re: Re: python streaming error - Hadoop - [mail # dev]
...sorry the error keep on, even when i modify the code  "offset,filename = line.strip().split("\t")"         At 2013-01-14 09:27:10,springring  wrote:...
[+ more]    Author: springring, 2013-01-14, 01:53
Re: Re:HDFS start-up with safe mode? - Hadoop - [mail # user]
...I modify the value of "dfs.safemode.threshold.pct" to zero, now everything is ok. log file as below But there are still three questions    1.. Can I regain percentage of blocks tha...
[+ more]    Author: springring, 2011-04-08, 09:36
Re: how to create a group in hdfs - Hadoop - [mail # dev]
...Segel,      I got it, and sorry I just send this mail by "answer all" another mail,  and forget that include hbase.     Thanks.  Ring    From: "S...
[+ more]    Author: springring, 2011-03-24, 00:15
Is there "useradd"  in Hadoop - Hadoop - [mail # dev]
...Hi,      There are "chmod"、"chown"、"chgrp" in HDFS, is there some command like "useradd -g" to add a  user in a group,? Even more, is there  "hadoop's group", not "l...
   Author: springring, 2011-03-23, 06:19
question about CDH3 - Hadoop - [mail # dev]
...Hi,     I install CDH3 follow the mannul as attached file, but when I run the command  "su -s /bin/bash -hdfs -c 'hadoop namenode -format'"  on page 25, it show that "su:...
   Author: springring, 2011-02-16, 06:15
Re: Namespace partitioning using Locality Sensitive Hashing - Hadoop - [mail # dev]
...I have a question.  Now that hadoop have "maper" and "reducer" , how about the solution like Map and Reduce or that directly Reduce here nodepair can be look as a branch...   From:...
   Author: springring, 2010-03-02, 14:03
Re: [paper] deconstruct HDFS - Hadoop - [mail # dev]
...Konstantin,         thanks.          I have upload the paper to Google docs, two links as below, one is Chinese version another is English  ...
[+ more]    Author: springring, 2010-02-27, 05:23
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