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[expand - 1 more] - Cluster administration advice needed - Hadoop - [mail # user]
...Hi,  I was working with a small Hadoop cluster while I was developing a new scheduler, however the cluster was used only for development purposes and never in production so I am wonderi...
   Author: Merto Mertek, 2012-12-18, 13:59
[expand - 1 more] - Re: Which component manages slow tasks? - Hadoop - [mail # dev]
...Perfect, thank you Harsh, method that I was looking for was markUnresponsiveTasks..  So in general if I sum up my understanding of fairscheduling is as follow:  - Pools assignments...
   Author: Merto Mertek, 2012-06-09, 17:19
Hadoop-on-demand and torque - Hadoop - [mail # user]
...If I understand it right HOD is mentioned mainly for merging existing HPC clusters with hadoop and for testing purposes..  I cannot find what is the role of Torque here (just initial no...
   Author: Merto Mertek, 2012-05-17, 19:11
Re: Distributing MapReduce on a computer cluster - Hadoop - [mail # user]
...For distribution of load you can start reading some chapters from different types of hadoop scheduler. I have not yet studied other implementation like hadoop, however a very simplified vers...
   Author: Merto Mertek, 2012-04-25, 12:53
[expand - 1 more] - Re: Algorithms used in fairscheduler 0.20.205 - Hadoop - [mail # user]
...Anyone?  On 19 April 2012 17:34, Merto Mertek  wrote:  ...
   Author: Merto Mertek, 2012-04-23, 12:43
[expand - 2 more] - Re: Fairscheduler - disable "default" pool - Hadoop - [mail # user]
...Hm, I would like to achieve that if I call poolManager.getPools() I get just pools that I defined in my allocation file.. Harsh I tried your option too but it still shows on the servlet page...
   Author: Merto Mertek, 2012-03-13, 21:51
How to make a ganglia metric in the new api? - Hadoop - [mail # dev]
...I am aware of two options. First is writing a python module that would be placed under cron and would parse from a file where my stats are stored, and the second one would be to implement a ...
   Author: Merto Mertek, 2012-03-10, 23:14
Re: How to change the scheduler - Hadoop - [mail # dev]
...If you will change the default scheduler take a look at the thread "Dynamic changing of slaves" on the mailing list where I described my understanding of the scheduling process. However if y...
   Author: Merto Mertek, 2012-03-07, 00:45
[expand - 1 more] - Re: Hadoop fair scheduler doubt: allocate jobs to pool - Hadoop - [mail # user]
...I think that ${user.name} variable is obtained from system proprietes class, where I can not find the group.name propriety, so probably it is not possible to create pools depending on the us...
   Author: Merto Mertek, 2012-03-01, 17:48
[expand - 1 more] - Re: Developing and deploying hadoop - Hadoop - [mail # dev]
...I would be glad to hear what is your development cycle and how you deploy new features to production cluster...  How do you deploy them to the production cluster? With bash scripts and ...
   Author: Merto Mertek, 2012-03-01, 02:56
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB