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Re: No locks available - Hadoop - [mail # user]
...On Jan 11, 2011, at 2:39 AM, Adarsh Sharma wrote:  rm some jobs ). But today when I start my cluster I came across a problem o n one of my datanodes.   Are you running this on NFS?...
   Author: Allen Wittenauer, 2011-01-11, 23:49
Re: monit? daemontools? jsvc? something else? - Hadoop - [mail # user]
...On Jan 6, 2011, at 12:39 AM, Otis Gospodnetic wrote: ump,  cores  VM heap     I'm talking about system level core dumps. i.e., ulimit -c and friends.  [ I'm much mo...
   Author: Allen Wittenauer, 2011-01-06, 19:20
Re: How to  Achieve TaskTracker Decommission - Hadoop - [mail # user]
...On Jan 6, 2011, at 3:35 AM, sandeep wrote:   mradmin -refreshNodes was added in 0.21.  ...
   Author: Allen Wittenauer, 2011-01-06, 16:38
Re: When does Reduce job start - Hadoop - [mail # user]
...On Jan 4, 2011, at 10:53 AM, sagar naik wrote:   Reduce tasks also eat slots while doing the map output. On shared grids, t his can be extremely bad behavior.   mapred.reduce.slows...
   Author: Allen Wittenauer, 2011-01-04, 20:16
Re: Question regarding a System good candidate for Hadoop? - Hadoop - [mail # user]
...On Jan 1, 2011, at 8:31 PM, Harsh J wrote:   or use the Hadoop Pipes (C/C++) interface....
   Author: Allen Wittenauer, 2011-01-04, 04:37
Re: web access interface for HDFS - Hadoop - [mail # dev]
...On Dec 10, 2010, at 5:40 PM, Springring wrote:  ss files? an download  hrough web?   In Hadoop proper, no.     Yes, if you use the hadoop.http.filter.initializers fe...
   Author: Allen Wittenauer, 2010-12-16, 23:29
Re: Hadoop Certification Progamme - Hadoop - [mail # user]
...On Dec 15, 2010, at 9:26 AM, Konstantin Boudnik wrote:  )   Isn't that what Photoshop is for?...
   Author: Allen Wittenauer, 2010-12-15, 20:18
Re: Deprecated ... damaged? - Hadoop - [mail # user]
...On Dec 15, 2010, at 2:13 AM, maha wrote:  posed to put each file from the input directory in a SEPARATE split.   Is there some reason you don't just use normal InputFormat with an...
   Author: Allen Wittenauer, 2010-12-15, 20:16
Re: files that don't really exist? - Hadoop - [mail # user]
...On Dec 13, 2010, at 3:14 PM, Seth Lepzelter wrote:  a   This falls into that "you never forget your first time" area. ;)   That's a bug in HDFS, IMO.  Please file a JIR...
   Author: Allen Wittenauer, 2010-12-14, 17:33
Re: Multicore Nodes - Hadoop - [mail # user]
...On Dec 11, 2010, at 3:09 AM, Rob Stewart wrote:   Be aware that writing a job that is specifically uses multi-threaded tasks  usually means that a) you probably aren't really doing...
   Author: Allen Wittenauer, 2010-12-13, 21:03
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