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Re: measuring network throughput - Hadoop - [mail # user]
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...Yes, I know ;) You can grab and extend the metrics as you like. Here a post from Sematext: http://blog.sematext.com/2011/07/31/extending-hadoop-metrics/ - Alex On Thu, Dec 22, 20...
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Author: alo alt,
2011-12-22, 13:52
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Re: measuring network throughput - Hadoop - [mail # user]
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...Rita, ganglia give you a throughput like Nagios. Could that help? - Alex On Thu, Dec 22, 2011 at 1:58 PM, Rita wrote: Alexander Lorenz http://mapredit.bl...
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Author: alo alt,
2011-12-22, 13:19
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Re: Hadoop configuration - Hadoop - [mail # user]
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...Hi, Apache: http://hadoop.apache.org/common/docs/current/cluster_setup.html RHEL / CentOS: http://mapredit.blogspot.com/p/get-hadoop-cluster-running-in-20.html Ubuntu: http...
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Author: alo alt,
2011-12-22, 09:47
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Re: Regarding a Multi user environment - Hadoop - [mail # user]
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...Hi, if I understood correctly, you want other users than root can stop / start an entire cluster? Its possible via sudoers (visudo). Create a group, insert the users (must be exists on...
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Author: alo alt,
2011-12-18, 11:01
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Re: Dynamically adding nodes in Hadoop - Hadoop - [mail # user]
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...Hi, in the slave - file too. /etc/hosts is also recommend to avoid DNS issues. After adding in slaves the new node has to be started and should quickly appear in the web-ui. If you don...
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Author: alo alt,
2011-12-17, 11:40
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Re: Choosing IO intensive and CPU intensive workloads - Hadoop - [mail # user]
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...Hi Arun, In hadoop-*test*.jar we have a lot testcases, could any of them match yours? #> cd /usr/lib/hadoop-0.20/ && hadoop jar hadoop-*test*.jar - Alex On Fri, D...
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Author: alo alt,
2011-12-09, 10:22
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Re: Choosing IO intensive and CPU intensive workloads - Hadoop - [mail # user]
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...Hmm, the PI or Wordcount workload could be usefull. Sorry, I have such topics always as links for me: http://developer.yahoo.com/hadoop/tutorial/module3.html#running => wordcount &n...
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Author: alo alt,
2011-12-09, 09:15
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Re: Choosing IO intensive and CPU intensive workloads - Hadoop - [mail # user]
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...Hi Arun, Micheal has write up a good tutorial about, including stress test and IO. http://www.michael-noll.com/blog/2011/04/09/benchmarking-and-stress-testing-an-hadoop-cluster-with-te...
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Author: alo alt,
2011-12-09, 07:53
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Re: "Warning: $HADOOP_HOME is deprecated" - Hadoop - [mail # user]
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...Hi, looks like a bug in .205: https://issues.apache.org/jira/browse/HADOOP-7816 - Alex On Wed, Dec 7, 2011 at 11:37 AM, praveenesh kumar wrote: Alexander Lore...
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Author: alo alt,
2011-12-07, 10:41
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Re: Hadoop Comic - Hadoop - [mail # user]
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...Hi, https://docs.google.com/viewer?a=v&pid=explorer&chrome=true&srcid=0B-zw6KHOtbT4MmRkZWJjYzEtYjI3Ni00NTFjLWE0OGItYTU5OGMxYjc0N2M1&hl=en_US - alex On Wed, Dec 7, 2011 at 1...
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Author: alo alt,
2011-12-07, 09:49
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