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Re: Accessing global Counters - Hadoop - [mail # user]
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...There was a discussion about this several months ago http://mail-archives.apache.org/mod_mbox/hadoop-mapreduce-user/201112.mbox/ %[EMAIL PROTECTED]%3E The conclusion is that if y...
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Author: Robert Evans,
2012-04-20, 18:24
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Re: remote job submission - Hadoop - [mail # user]
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...You can use Oozie to do it. On 4/20/12 8:45 AM, "Arindam Choudhury" wrote Sorry. But I can you give me a example. On Fri, Apr 20, 2012 at 3:08 PM, Harsh J wrot...
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Author: Robert Evans,
2012-04-20, 15:17
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Re: Help me with architecture of a somewhat non-trivial mapreduce implementation - Hadoop - [mail # user]
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...You could also use the NLineInputFormat which will launch 1 mapper for ever y N (configurable) lines of input. On 4/20/12 9:48 AM, "Sky" wrote: Thanks! That helped! ...
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Author: Robert Evans,
2012-04-20, 15:16
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Re: Locking protocols for hadoop-2.x.x - Hadoop - [mail # general]
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...The trick with yarn is that there are a lot more client APIs then for HDFS. In addition they have not had as much time as the HDFS APIs to mature. I f we want to lock down the c...
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Author: Robert Evans,
2012-04-20, 14:44
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Re: Multiple data centre in Hadoop - Hadoop - [mail # user]
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...If you want to start an open source project for this I am sure that there a re others with the same problem that might be very wiling to help out. :) On 4/19/12 4:31 PM, "Michael Sege...
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Author: Robert Evans,
2012-04-19, 21:33
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Re: Multiple data centre in Hadoop - Hadoop - [mail # user]
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...Where I work we have done some things like this, but none of them are open source, and I have not really been directly involved with the details of i t. I can guess about w...
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Author: Robert Evans,
2012-04-19, 21:28
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Re: Help me with architecture of a somewhat non-trivial mapreduce implementation - Hadoop - [mail # user]
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...ance perspective. Depending on what storage: is it is likely to be your bot tlekneck, not the hadoop computations. Because you are writing files directly instead of relying on Hadoop t...
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Author: Robert Evans,
2012-04-19, 21:08
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Re: [DISCUSS] branch-0.23 is dead, long live branch-0.23 - Hadoop - [mail # general]
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...Thanks Eli for catching that. I have done a first pass at updating the tic kets. Please check your jiras to be sure I did not make a mistake on any o f them. I will probabl...
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Author: Robert Evans,
2012-04-18, 20:39
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Re: Multiple data centre in Hadoop - Hadoop - [mail # user]
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...Hi Abhishek, Manu is correct about High Availability within a single colo. I realize th at in some cases you have to have fail over between colos. I am not aware of a...
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Author: Robert Evans,
2012-04-16, 14:08
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Re: Multiple data centre in Hadoop - Hadoop - [mail # user]
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...No it does not. Sorry On 4/11/12 1:44 PM, "Abhishek Pratap Singh" wrote: Hi All, Just wanted if hadoop supports more than one data centre. This is basically for DR p...
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Author: Robert Evans,
2012-04-11, 19:32
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