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[expand - 6 more] - Re: cassandra + spark / pyspark - Cassandra - [mail # user]
...Thank you Rohit.   I sent the email to you.ThanksOleg.On Thu, Sep 11, 2014 at 10:51 PM, Rohit Rai  wrote: ...
   Author: Oleg Ruchovets, 2014-09-11, 16:12
[expand - 1 more] - Re: multi datacenter replication - Cassandra - [mail # user]
...Thank you very much for the links.  Just to be sure: is this capability available for COMMUNITY ADDITION?ThanksOleg.On Wed, Sep 10, 2014 at 11:49 PM, Alain RODRIGUEZ wrote: ...
   Author: Oleg Ruchovets, 2014-09-10, 16:22
[expand - 1 more] - Re: pyspark and cassandra - Spark - [mail # user]
...Hi ,  I try to evaluate different option of spark + cassandra and I have coupleof additional questions.  My aim is to use cassandra only without hadoop:  1) Is ...
   Author: Oleg Ruchovets, 2014-09-10, 15:32
hardware sizing for cassandra - Cassandra - [mail # user]
...Hi ,   Where can I find the document with best practices about sizing forcassandra deployment?   We have 1000 writes / reads per second. record size 1k.Questions: &n...
   Author: Oleg Ruchovets, 2014-09-09, 18:03
PySpark on Yarn - how group by data properly - Spark - [mail # user]
...Hi ,   I came from map/reduce background and try to do quite trivial thing:I have a lot of files ( on hdfs ) - format is :   1 , 2 , 3   2 , 3 , 5   1...
   Author: Oleg Ruchovets, 2014-09-09, 16:56
[expand - 1 more] - Re: PySpark on Yarn a lot of python scripts project - Spark - [mail # user]
...Ok , I  didn't explain my self correct:   In case of java having a lot of classes jar should be used.   All examples for PySpark I found is one py script( Pi , wordc...
   Author: Oleg Ruchovets, 2014-09-05, 17:21
[expand - 11 more] - Re: pyspark yarn got exception - Spark - [mail # user]
...Great,It is working now!!!!ThanksOleg.On Fri, Sep 5, 2014 at 12:50 PM, Oleg Ruchovets wrote:...
   Author: Oleg Ruchovets, 2014-09-05, 08:51
2 python installations cause PySpark on Yarn problem - Spark - [mail # user]
...Hi  ,   I am  evaluating  the PySpark.I have hdp hortonworks installed with python 2.6.6. (I can't remove itsince it is used by hortonworks). I can successfully exec...
   Author: Oleg Ruchovets, 2014-09-04, 16:26
pyspark on yarn hdp hortonworks - Spark - [mail # user]
...Hi all.   I am trying to run pyspark on yarn already couple of days:http://hortonworks.com/kb/spark-1-0-1-technical-preview-hdp-2-1-3/I posted exception on previous posts. It looks...
   Author: Oleg Ruchovets, 2014-09-03, 14:53
u'' notation with pyspark output data - Spark - [mail # user]
...Hi ,  I am working with pyspark and doing simple aggregationdef doSplit(x):        y = x.split(',')        if(len(y)==3): &nb...
   Author: Oleg Ruchovets, 2014-08-29, 06:22
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