Re: Balancer exiting immediately despite having work to do.

Hi Landy - Attachments are stripped from e-mails sent to the mailing list. Could you publish your logs on pastebin and forward the url? cheers, -James On Wed, Jan 4, 2012 at 10:03 AM, Bible, Landy landy-bi...@utulsa.eduwrote: Hi all, ** ** I’m running Hadoop 0.20.2. The balancer has

Re: Map Task Capacity Not Changing

(moving to mapreduce-user@, bcc'ing common-user@) Hi Joey - You'll want to change the value on all of your servers running tasktrackers and then restart each tasktracker to reread the configuration. cheers, -James On Thu, Dec 15, 2011 at 3:30 PM, Joey Krabacher jkrabac...@gmail.comwrote: I

Re: Regarding pointers for LZO compression in Hive and Hadoop

Hi Abhishek - (Redirecting to user@hive, bcc'ing common-user) I found this blog to be particularly useful when incorporating Hive and LZO: http://www.mrbalky.com/2011/02/24/hive-tables-partitions-and-lzo-compression/ And if you're having issues setting up LZO with Hadoop in general, check out

Re: HDFS permission denied

Hi Wei - In general, settings changes aren't applied until the hadoop daemons are restarted. Sounds like someone enabled permissions previously, but they didn't take hold until you rebooted your cluster. cheers, -James On Mon, Apr 25, 2011 at 1:19 AM, Peng, Wei wei.p...@xerox.com wrote: I

Re: HDFS permission denied

cluster has left, I have no idea what happened. =( Wei -Original Message- From: jameswarr...@gmail.com [mailto:jameswarr...@gmail.com] On Behalf Of James Warren Sent: Monday, April 25, 2011 9:56 AM To: common-user@hadoop.apache.org Subject: Re: HDFS permission denied Hi Wei

Re: urgent, error: java.io.IOException: Cannot create directory

Hi Richard - First thing that comes to mind is a permissions issue. Can you verify that your directories along the desired namenode path are writable by the appropriate user(s)? HTH, -James On Wed, Dec 8, 2010 at 1:37 PM, Richard Zhang richardtec...@gmail.comwrote: Hi Guys: I am just

Re: Multiple masters in hadoop

Actually the /hadoop/conf/masters file is for configuring secondarynamenode(s). Check http://www.cloudera.com/blog/2009/02/multi-host-secondarynamenode-configuration/ for details. cheers, -jw On Wed, Sep 29, 2010 at 1:36 PM, Shi Yu sh...@uchicago.edu wrote: The Master appeared in Masters and

lengthy delay after the last reduce completes

reduce task ended. Any thoughts? Thanks, -James Warren 2010-05-07 01:11:10,302 [main] INFO org.apache.hadoop.mapred.JobClient - Running job: job_201005041742_0879 2010-05-07 01:11:11,305 [main] INFO org.apache.hadoop.mapred.JobClient - map 0% reduce 0% 2010-05-07 01:11:49,410 [main] INFO

fair scheduler preemptions timeout difficulties

starting up the daemon.) Help would be extremely appreciated! Thanks, -James Warren

Re: fair scheduler preemptions timeout difficulties

! On Wed, Dec 2, 2009 at 4:26 PM, james warren ja...@rockyou.com wrote: Greetings, Hadoop Fans: I'm attempting to use the timeout feature of the Fair Scheduler (using Cloudera's most recently released distribution 0.20.1+152-1), but without success. I'm using the following configs: /etc

detecting stalled daemons?

no longer being updated I certainly cannot be the first person to encounter this - anyone have a neat and tidy solution they could share? (And yes, we will eventually we go down the nagios / ganglia / cloudera desktop path but we're waiting until we're running CDH2.) Many thanks, -James Warren