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[expand - 1 more] - Re: Yarn hangs @Scheduled - Hadoop - [mail # user]
...I fixed the issue by setting yarn.scheduler.minimum-allocation-mb=1024I'm thinking this happens a lot in VMs where you run w low memory.If memory too low, I think other failures will occur a...
   Author: Jay Vyas, 2014-04-24, 22:31
[expand - 1 more] - Re: DISCUSS: use SLF4J APIs in new modules? - Hadoop - [mail # dev]
...Couple more questions:- what is "source" vs. "modules" in steve's above outline?- Should individual JIRAs be submitted to start doing this for segments ofthe code, and if so at what granular...
   Author: Jay Vyas, 2014-04-23, 02:54
Re: Strange error in Hadoop 2.2.0: FileNotFoundException: file:/tmp/hadoop-hadoop/mapred/ - Hadoop - [mail # user]
...Is this happening in the job client? or the mappers?On Tue, Apr 22, 2014 at 11:21 AM, Natalia Connolly <[EMAIL PROTECTED]> wrote:Jay Vyashttp://jayunit100.blogspot.com ...
   Author: Jay Vyas, 2014-04-22, 15:25
Re: Shuffle Error after enabling Kerberos authentication - Hadoop - [mail # user]
...(bump) this is a good question.im new to kerberos as well, and have been wondering how to preventscenarios such as this from happening.....my thought is that since Kerberos iirc requires a t...
   Author: Jay Vyas, 2014-04-20, 03:41
[expand - 1 more] - Re: Running unit test cases with Kerberos on - Hadoop - [mail # dev]
...thanks again alejandro!On Thu, Apr 17, 2014 at 11:37 AM, Alejandro Abdelnur wrote:Jay Vyashttp://jayunit100.blogspot.com ...
   Author: Jay Vyas, 2014-04-17, 15:49
Re: MapReduce for complex key/value pairs? - Hadoop - [mail # user]
...- Adding parsing logic in mappers/reducers is the simplest, least elegantway to do it, or just writing json  strings is one simple way to do it.- You get more advanced by writing custom...
   Author: Jay Vyas, 2014-04-08, 18:36
[expand - 1 more] - Re: Hadoop Serialization mechanisms - Hadoop - [mail # user]
...But I believe w.r.t. "will we see performance gains when usingavro/thrift/... over writables" -- it depends on the writableimplementation.    For example, If I have  a writabl...
   Author: Jay Vyas, 2014-03-31, 10:18
Jobs fail immediately in local mode ? - Hadoop - [mail # user]
...Im running a job in local mode, and have found that it returns immediately,switching job state to FAILURE.From the /tmp/hadoop-jay directory, I see that clearly an attempt was madeto run the...
   Author: Jay Vyas, 2014-03-29, 16:33
Re: R on hadoop - Hadoop - [mail # user]
...Do you mean(1) running mapreduce jobs from R ?(2) Running R from a mapreduce job ?Without much extra ceremony, for the latter, you could use either MapReducestreaming or pig to call a custom...
   Author: Jay Vyas, 2014-03-26, 12:05
Re: Setting Hadoop on LinuxContainers Fails. - Hadoop - [mail # user]
...are your linux containers networked properly (i.e. can they see each other,and the outside world, etc...)www.linux.org/threads/linux-containers-part-4-getting-to-the-universe-ping-google-com...
   Author: Jay Vyas, 2014-03-24, 14:20
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