Gabriel,

I'm using RC2.

Youngwoo

2016년 2월 24일 수요일, Gabriel Reid<[email protected]>님이 작성한 메시지:

> Hi Youngwoo,
>
> Which RC are you using for this? RC-1 or RC-2?
>
> Thanks,
>
> Gabriel
>
> On Tue, Feb 23, 2016 at 11:30 AM, 김영우 (YoungWoo Kim) <[email protected]
> <javascript:;>> wrote:
> > Hi,
> >
> > I'm evaluating 4.7.0 RC on my dev cluster. Looks like it works fine but I
> > run into performance degradation for MR based bulk loading. I've been
> > loading a million of rows per day into Phoenix table. From 4.7.0 RC,
> there
> > are failed jobs with '600 sec' time out in map or reduce stage. logs as
> > follows:
> >
> > 16/02/22 18:03:45 INFO mapreduce.Job: Task Id :
> > attempt_1456035298774_0066_m_000002_0, Status : FAILED
> > AttemptID:attempt_1456035298774_0066_m_000002_0 Timed out after 600 secs
> >
> > 16/02/22 18:05:14 INFO mapreduce.LoadIncrementalHFiles: HFile at
> >
> hdfs://fcbig/tmp/74da7ab1-a8ac-4ba8-9d43-0b70f08f8602/HYNIX.BIG_TRACE_SUMMARY/0/_tmp/_tmp/f305427aa8304cf98355bf01c1edb5ce.top
> > no longer fits inside a single region. Splitting...
> >
> > But, the logs have not seen before. so I'm facing about 5 ~ 10x
> performance
> > degradation for bulk loading. (4.6.0: 10min but 60+ min from 4.7.0 RC)
> > furthermore, I can't find a clue from MR logs why the tasks filed.
> >
> > And, I can see the hfile splitting after reduce stage. Is it normal?
> >
> > My envs are:
> > - Hadoop 2.7.1
> > - HBase 1.1.3
> > - Phoenix 4.7.0 RC
> >
> > Thanks,
> >
> > Youngwoo
>

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