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Re: Apache git mirrors, post project split - Hadoop - [mail # dev]
...If the repository has been cloned, are there any operations that require the remote? We could leave the old mirror there to be polled for updates- which it will never have- but I was under t...
[+ more]    Author: Chris Douglas, 2009-06-29, 19:01
Re: How can I go ahead.... (RAgzip, HADOOP-4652). - Hadoop - [mail # dev]
...Hello-  Sorry for the delay in committing this patch. There was a longstanding    dependency on HADOOP-3020, an issue resolved only recently (explicitly    in suppor...
   Author: Chris Douglas, 2009-03-31, 21:19
Re: intermediate results not getting compressed - Hadoop - [mail # user]
...It should still be compressed, unless there's some bizarre regression.   More segments will be around simultaneously (since the segments not   yet merged are still on disk), which ...
[+ more]    Author: Chris Douglas, 2009-03-17, 08:24
Re: Profiling Map/Reduce Tasks - Hadoop - [mail # user]
...I use YourKit (http://yourkit.com/).  You'll also want to look at the following parameters:     mapred.task.profile.params (e.g. -  agentlib:yjpagent=sampling=onexit=snap...
   Author: Chris Douglas, 2009-03-09, 18:14
Re: Reduce doesn't start until map finishes - Hadoop - [mail # user]
...The output of each map is sorted by partition and by key within that   partition. The reduce merges sorted map output assigned to its   partition into the reduce. The following may...
[+ more]    Author: Chris Douglas, 2009-03-04, 04:27
Re: Limit number of records or total size in combiner input using  jobconf? - Hadoop - [mail # user]
...Approximately and indirectly, yes. You can limit the amount of memory   allocated to storing serialized records in memory (io.sort.mb) and the   percentage of that space reserved f...
   Author: Chris Douglas, 2009-02-20, 22:34
Re: hudson and patch submissions - Hadoop - [mail # dev]
...Hudson has probably been unsubscribed from hadoop-dev again.  If you forward the PA email from hadoop-dev to [EMAIL PROTECTED]  , it should make it into the queue. Last I tried thi...
   Author: Chris Douglas, 2009-01-24, 00:06
Re: getting null from CompressionCodecFactory.getCodec(Path file) - Hadoop - [mail # user]
...The .lzo suffix is reserved for lzop (LzopCodec). LzoCodec doesn't   generate compatible output, hence "lzo_deflate". -C  ...
   Author: Chris Douglas, 2009-01-14, 21:30
Re: Combiner run specification and questions - Hadoop - [mail # user]
...Yes. Key attributes not relevant to ordering are also mutable. If your   key is a (t1, t2) tuple ordered by t1, then t2 can change without   affecting the expected semantics.  ...
[+ more]    Author: Chris Douglas, 2009-01-06, 23:32
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