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Re: YARN Application Master Question - Hadoop - [mail # user]
...In this case you would have 3 AM for MR jobs and 2 more AMs, one for eachGiraph job.Makes a total of 5 AMs.Cheers,Mirko2014-08-06 11:57 GMT+01:00 Ana Gillan : ...
   Author: Mirko Kämpf, 2014-08-06, 11:01
Re: Decommissioning a data node and problems bringing it back online - Hadoop - [mail # user]
...After you added the nodes back to your cluster you run the balancer tool,but it will not bring in exactly the same blocks like before.Cheers,Mirko2014-07-24 17:34 GMT+01:00 andrew touchet :&...
   Author: Mirko Kämpf, 2014-07-24, 16:37
[expand - 2 more] - Re: Need to evaluate a cluster - Hadoop - [mail # user]
...Just request a quote from the leading and also local vendors. Tell themabout the volume and the access pattern you have in mind and collect theofferings. Than you compare the prices. You sho...
   Author: Mirko Kämpf, 2014-07-10, 09:23
Re: HBase metadata - Hadoop - [mail # user]
...Hi John,I suggest the project: http://www.kiji.org/or even the brand new: http://phoenix.apache.org/Cheers,Mirko2014-07-08 16:05 GMT+00:00 John Lilley : ...
   Author: Mirko Kämpf, 2014-07-08, 16:12
Re: partition file by content based through HDFS - Hadoop - [mail # user]
...Hi,HDFS blocks are not "content aware". Such a separation like you requested,could be done via Hive or Pig with some lines of code, than you would havemultiple files which can be organized i...
   Author: Mirko Kämpf, 2014-05-12, 02:21
Re: I am about to lose all my data please help - Hadoop - [mail # user]
...Hi,what is the location of the namenodes fsimage and editlogs?And how much memory has the NameNode.Did you work with a Secondary NameNode or a Standby NameNode forcheckpointing?Where are you...
   Author: Mirko Kämpf, 2014-03-16, 09:30
[expand - 1 more] - Re: Add few record(s) to a Hive table or a HDFS file on a daily basis - Hadoop - [mail # user]
...Hi Raj,there is no way of adding new data to a file in HDFS as long as the appendfunctionality is not available. Adding new "records" to a Hive table means,creating a new file with those rec...
   Author: Mirko Kämpf, 2014-02-10, 10:45
[expand - 1 more] - Re: - MapReduce - [mail # user]
...Look for "Hadoop the Definitive Guide" or "Hadoop in Practice" in your bookstore. Or search at google for map reduce blogs .... There is a lot of good stuff ... just take it! Good luck and h...
   Author: Mirko Kämpf, 2013-12-13, 13:43
Re: Why is Hadoop always running just 4 tasks? - HDFS - [mail # user]
...Hi,  what is the command you execute to submit the job? Please share also the driver code ....  So we can troubleshoot better.  Best wishes Mirko     2013/12/11 Dror...
   Author: Mirko Kämpf, 2013-12-11, 16:21
Re: Execute hadoop job remotely and programmatically - HDFS - [mail # user]
...Hi Yexi,  please have a look at the -libjars option of the hadoop cmd. It tells the system what additional libs have to be sent to the cluster before the job can start. Each time you su...
   Author: Mirko Kämpf, 2013-12-10, 11:07
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