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From 宋轶 <yi.s...@outlook.com>
Subject RE: Kylin service crash easily while building cube in HDP sandbox
Date Tue, 19 Jan 2016 05:34:30 GMT
I remember we can config the service to be a job engine or a query engine.

> From: mahongbin@apache.org
> Date: Mon, 18 Jan 2016 15:50:07 +0800
> Subject: Re: Kylin service crash easily while building cube in HDP sandbox
> To: dev@kylin.apache.org
> 
> btw "Calculate HTable Region Splits" should not cause OOM, can you do an
> analysis on the dump?
> 
> On Mon, Jan 18, 2016 at 3:48 PM, hongbin ma <mahongbin@apache.org> wrote:
> 
> > what's the size of the cube you're building? the default configuration for
> > Xmx and Xms is not very big.
> >
> > kylin does provided sth similar to what you meant by "different
> > lifecycles", checkout
> > http://kylin.apache.org/docs/install/kylin_cluster.html. The reason why
> > we put them into same tomcat instance is to ease the installation for
> > newbies.
> >
> >
> > On Mon, Jan 18, 2016 at 2:44 PM, Edward Zhang <yonzhang2012@apache.org>
> > wrote:
> >
> >> Hi,
> >>
> >> I was trying to play Kylin 1.2 in HDP sandbox, but unfortunately it always
> >> fails while it builds cube through Kylin service. The symptom is that
> >> Kylin
> >> tomcat service failed each time when it is about in the step 12, which
> >> is "Calculate
> >> HTable Region Splits"
> >>
> >> I suspected it is out-of-memory issue, so I enabled GC log but did not see
> >> any full gc and no dump also.
> >>
> >> What is the possible reason for Kylin service crash? Do you have similar
> >> experience.
> >>
> >> Also what I observed is that Kylin service is used for both job client and
> >> ad-hoc query, any consideration of why not decouple the 2 functionalities
> >> with different lifecycles into different processes?
> >>
> >>
> >> Thanks
> >> Edward
> >>
> >
> >
> >
> > --
> > Regards,
> >
> > *Bin Mahone | 马洪宾*
> > Apache Kylin: http://kylin.io
> > Github: https://github.com/binmahone
> >
> 
> 
> 
> -- 
> Regards,
> 
> *Bin Mahone | 马洪宾*
> Apache Kylin: http://kylin.io
> Github: https://github.com/binmahone
 		 	   		  
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