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Re: data node maintainance question - HDFS - [mail # user]
...On Sep 22, 2010, at 12:36 PM, Dmitriy Lyubimov wrote:  return it back, i don't need to run decommission? decommission is only if  i want to get rid of that node for good and now wa...
   Author: Allen Wittenauer, 2010-09-22, 19:42
Re: what API method provides getmerge functionality? - HDFS - [mail # user]
...On Aug 31, 2010, at 4:49 AM, Vitaliy Semochkin wrote:  You could always just look at the source code for the getmerge command......
   Author: Allen Wittenauer, 2010-08-31, 13:33
Re: How to get information about file distribution on nodes? - HDFS - [mail # user]
...On Aug 31, 2010, at 3:15 AM, Vitaliy Semochkin wrote:   hadoop fsck [file path] -files -blocks -locations  ...
   Author: Allen Wittenauer, 2010-08-31, 13:22
Re: Maximum number of files in directory? (in hdfs) - HDFS - [mail # user]
...On Aug 17, 2010, at 5:44 PM, Stuart Smith wrote: ng on ntfs/etc), but it occurred to me that maybe (from a performance persp ective), it doesn't really matter on hdfs. in one directory on hd...
   Author: Allen Wittenauer, 2010-08-18, 01:00
[expand - 2 more] - Re: full disk woes - HDFS - [mail # user]
...On Jul 21, 2010, at 2:47 PM, Travis Crawford wrote:  I'm 99% certain this JIRA already exists, but I can't seem to find it....
   Author: Allen Wittenauer, 2010-07-21, 22:06
[expand - 2 more] - Re: hdfs system crashes when loading files bigger than local space left - HDFS - [mail # user]
...On Jul 16, 2010, at 3:15 AM, Vitaliy Semochkin wrote:  I'd recommend at least 5gb.  I'm also assuming this same disk space isn't g etting used for MapReduce.  d not from datan...
   Author: Allen Wittenauer, 2010-07-16, 18:07
Re: decommissioning nodes help - HDFS - [mail # user]
...Do you have a topology defined?  On Jul 13, 2010, at 2:46 PM, Arun Ramakrishnan wrote:  ng process is well tested and less likely to have bugs.  replication to 3. Kill 2 more ...
   Author: Allen Wittenauer, 2010-07-13, 22:43
Re: default masters/slaves content question - HDFS - [mail # user]
...On Jun 25, 2010, at 2:19 AM, Vitaliy Semochkin wrote:  on of hadoop?   Because it would take a long time if we put everyone's hostname in there. : )  Pretty much everything in...
   Author: Allen Wittenauer, 2010-06-25, 17:19
[expand - 2 more] - Re: Integrating Lustre and HDFS - HDFS - [mail # dev]
... No, i'm saying your mapreduce code needs to explicitly reference every file  system that it needs to access.  You can't rely upon fs.default.name*.  Th e distcp code cou...
   Author: Allen Wittenauer, 2010-06-15, 17:24
Re: How to fix a corrupted disk? - HDFS - [mail # user]
...On Jun 9, 2010, at 10:13 PM, Sean Bigdatafun wrote:  nterested is stored on 3 datanodes A, B, C. And A suddenly crashed, I under stand I can still read my file because I have two copies...
   Author: Allen Wittenauer, 2010-06-10, 14:04
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