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RE: High Availability - second namenode (master2) issue: Incompatible namespaceIDs - MapReduce - [mail # user]
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...Agreed here. Whenever you have id disagreement between NN and DN. Simply, delete all the entries in your df/data directory and restart DN. No need to reformat NN. Rgds, AK47 From...
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Author: Kartashov, Andy,
2012-11-16, 14:11
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RE: Oozie apparent concurrency deadlocking - MapReduce - [mail # user]
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...Matt, Thank you for the prompt response. To answer your question "Are you using the fairscheduler or default FIFO?" I frankly have no idea. I suppose that since I have no idea, i...
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Author: Kartashov, Andy,
2012-11-15, 15:57
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RE: Oozie apparent concurrency deadlocking - MapReduce - [mail # user]
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...Guys, Further to my post below and while searching the web , I believe I found hints to my problem solution but have no idea how to implement it: Qte ... - are you using FairSche...
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Author: Kartashov, Andy,
2012-11-15, 15:29
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RE: shutting down instance - MapReduce - [mail # user]
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...I also use scp and remote ssh to push configuration files | start-stop-restart respective daemons in the cluster. This can simply resolution of every node in the cluster having an updated ad...
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Author: Kartashov, Andy,
2012-11-15, 14:53
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Oozie apparent concurrency deadlocking - MapReduce - [mail # user]
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...Guys, Have struggled for the last four days with this and still cannot find an answer even after hours of searching the web. I tried oozie workflow to execute my consecutive sqoo...
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Author: Kartashov, Andy,
2012-11-15, 14:44
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RE: hsqldb version problem - MapReduce - [mail # user]
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...Thank you Arvind, However, you've only partially answered my questions: Q. ...which project do they come with and why do I have two? Q. I replaced hsqldb-1.8.0.10.jar...
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Author: Kartashov, Andy,
2012-11-15, 14:27
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RE: Hadoop Java compilation error - MapReduce - [mail # user]
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...In order to run Hadoop program you will need it run it as follows: $hadoop jar .jar Where: class-name is comiled .class file with main() method name-jar is a jar containing .cla...
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Author: Kartashov, Andy,
2012-11-15, 14:21
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shutting down instance - MapReduce - [mail # user]
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...Yinghau, Last week you mentioned that you are running your cluster on EC2 that you shut them down instance(s) over the weekend. QTE Since I shutdown the EC2 instance every night,...
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Author: Kartashov, Andy,
2012-11-14, 14:34
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RE: mapred.tasktracker.map.tasks.maximum - MapReduce - [mail # user]
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...Mark, The way I understand it... # of mappers is calculated by deviding your input by file split size (64Mb default). So, say your input is 64Gb in size so you will end up ...
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Author: Kartashov, Andy,
2012-11-13, 15:26
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RE: error running pi program - MapReduce - [mail # user]
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...Good to know it works as I well. Thanks for sharing. From: yinghua hu [mailto:[EMAIL PROTECTED]] Sent: Friday, November 09, 2012 7:48 PM To: [EMAIL PROTECTED] Subject: Re: error running pi p...
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Author: Kartashov, Andy,
2012-11-12, 13:58
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