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Re: Problems with timeout when a Hadoop job generates a large number of key-value pairs - Hadoop - [mail # user]
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...Thats the one ... Sent from my iPhone On Jan 20, 2012, at 6:28 PM, "Paul Ho" wrote: te.xml: ly for balancing. eter but there are only a couple that deal with bandwidt...
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Author: Michael Segel,
2012-01-21, 04:15
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Re: Problems with timeout when a Hadoop job generates a large number of key-value pairs - Hadoop - [mail # user]
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...Steve, Ok, first your client connection to the cluster is a non issue. If you go in to /etc/Hadoop/conf That supposed to be a little h but my iPhone knows what's best... &n...
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Author: Michael Segel,
2012-01-20, 23:43
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Re: I am trying to run a large job and it is consistently failing with timeout - nothing happens for 600 sec - Hadoop - [mail # user]
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...But Steve, it is your code... :-) Here is a simple test... Set your code up where the run fails... Add a simple timer to see how long you spend in the Mapper.map() method. ...
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Author: Michael Segel,
2012-01-19, 03:08
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RE: Does hadoop installations need to be at same locations in cluster ? - Hadoop - [mail # user]
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...Ok, Here's the thing... 1) When building the cluster, you want to be consistent. 2) Location of $HADOOP_HOME is configurable. So you can place it anywhere. Putting th...
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Author: Michael Segel,
2011-12-23, 17:55
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Re: Hadoop configuration - Hadoop - [mail # user]
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...Class project due? Sorry, second set of questions on setting up a 2 node cluster... Sent from my iPhone On Dec 22, 2011, at 3:25 AM, "Humayun kabir" wrote: ...
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Author: Michael Segel,
2011-12-23, 12:59
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Re: Does hadoop installations need to be at same locations in cluster ? - Hadoop - [mail # user]
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...Sure, You could do that, but in doing so, you will make your life a living hell. Literally. Think about it... You will have to manually manage each nodes config files... So if so...
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Author: Michael Segel,
2011-12-23, 12:56
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RE: More cores Vs More Nodes ? - Hadoop - [mail # user]
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... Tom, Look, I've said this before and I'm going to say it again. Your knowledge of Hadoop is purely academic. It may be ok to talk to C leve l execs who visit the San ...
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Author: Michael Segel,
2011-12-15, 20:57
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RE: More cores Vs More Nodes ? - Hadoop - [mail # user]
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...Tommy, Again, I think you need to really have some real world experience before you make generalizations like that. Sorry, but at a client, we put 6 different groups' appli...
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Author: Michael Segel,
2011-12-14, 17:33
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RE: More cores Vs More Nodes ? - Hadoop - [mail # user]
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... Brian, I think you missed my point. The moment you go and design a cluster for a specific job, you end up get ting fscked because there's another group who wants to use the...
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Author: Michael Segel,
2011-12-14, 17:05
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RE: More cores Vs More Nodes ? - Hadoop - [mail # user]
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...Aw Tommy, Actually no. You really don't want to do this. If you actually ran a cluster and worked in the real world, you would fin d that if you purposely build a cluster for one...
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Author: Michael Segel,
2011-12-14, 13:29
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