Re: Release or Snapshot from Maven Repositories?

2011-06-12 Thread Eric Charles
On 09/06/11 12:11, Eric Charles wrote: 1. Which of 21.0, 21.1, 22.0 or 23.0 corresponds to trunk? (I didn't find any branch/tag for these numbers. From pom.xml in hdfs project, it seems 0.23-SNAPSHOT is the last one. So I take the 0.23.0-SNAPSHOT (still confused with the additional .0...).

Help - can't start namenode after disk full error

2011-06-12 Thread Ryan LeCompte
Hey guys, Really trying to get our namenode back up and running after a full disk error last night. I've freed up a lot of space, however the NameNode still fails to startup: 2011-06-12 10:26:09,042 INFO org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Registered FSNamesystemStatusMBean

RE: Help - can't start namenode after disk full error

2011-06-12 Thread Zhong, Andy
Could you backup your edits file, try $ printf \xff\xff\xff\xee\xff edits, and start HDFS? It should work. - Andy -Original Message- From: Ryan LeCompte [mailto:lecom...@gmail.com] Sent: Sunday, June 12, 2011 9:29 AM To: common-user@hadoop.apache.org Subject: Help - can't start

RE: Help - can't start namenode after disk full error

2011-06-12 Thread Zhong, Andy
Only apply it to /dfs/name/current/edits file... -Original Message- From: Zhong, Andy [mailto:sheng.zh...@searshc.com] Sent: Sunday, June 12, 2011 9:43 AM To: common-user@hadoop.apache.org Subject: RE: Help - can't start namenode after disk full error Could you backup your edits file,

Re: Help - can't start namenode after disk full error

2011-06-12 Thread Ryan LeCompte
That worked, thanks! On Sun, Jun 12, 2011 at 10:47 AM, Zhong, Andy sheng.zh...@searshc.comwrote: Only apply it to /dfs/name/current/edits file... -Original Message- From: Zhong, Andy [mailto:sheng.zh...@searshc.com] Sent: Sunday, June 12, 2011 9:43 AM To:

Re: Help - can't start namenode after disk full error

2011-06-12 Thread Zhong, Sheng
My pleasure! - Original Message - From: Ryan LeCompte [mailto:lecom...@gmail.com] Sent: Sunday, June 12, 2011 10:59 AM To: common-user@hadoop.apache.org common-user@hadoop.apache.org Subject: Re: Help - can't start namenode after disk full error That worked, thanks! On Sun, Jun 12, 2011

Configure Map Side join for multiple mappers in Hadoop Map/Reduce

2011-06-12 Thread Shi Yu
This is a re-post of the same message. I made it more specific and clear. Have been considering it several days so really appreciate any help. I have a question about configuring Map/Side inner join for multiple mappers in Hadoop. Suppose I have two very large data sets A and B, I use the

nomenclature

2011-06-12 Thread Mark Hedges
Why don't you call them directors and workers instead of masters and slaves ? Mark

Re: nomenclature

2011-06-12 Thread Nan Zhu
For MapReduce, I always call them JobTracker and TaskTracker, for HDFS, Namenode and DataNode because of the name of classes in source code???:-) Nan On Mon, Jun 13, 2011 at 8:25 AM, Mark Hedges hed...@formdata.biz wrote: Why don't you call them directors and workers instead of masters and

Re: nomenclature

2011-06-12 Thread Mark Hedges
It is a common term, just one that I have seen distastefully used with an unpleasant subtext. Just reading the manual... Hadoop is neat-o! --mark-- On Mon, 13 Jun 2011, Nan Zhu wrote: For MapReduce, I always call them JobTracker and TaskTracker, for HDFS, Namenode and DataNode because of