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HBase >> mail # user >> Re: Coprocessor slow down problem!


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Anoop John 2012-12-01, 08:22
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ramkrishna vasudevan 2012-12-01, 08:23
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yonghu 2012-12-02, 19:59
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Re: Coprocessor slow down problem!
Hi
         You can take thread dumps?

-Anoop-

On Mon, Dec 3, 2012 at 1:29 AM, yonghu <[EMAIL PROTECTED]> wrote:

> Hi Anoop,
>
> Can you give me a more detailed information about how can I take a
> look at RS threads doing?
>
> Thanks!
>
> Yong
>
> On Sat, Dec 1, 2012 at 9:23 AM, ramkrishna vasudevan
> <[EMAIL PROTECTED]> wrote:
> > Ok...fine...Ya seeing what is happening in postPut should give an idea.
> >
> > Regards
> > Ram
> >
> > On Sat, Dec 1, 2012 at 1:52 PM, Anoop John <[EMAIL PROTECTED]>
> wrote:
> >
> >> Ram,  This issue was for prePut()..    postPut() was fine only...
> >> Can you take a look that at the time of slow put what the corresponding
> RS
> >> threads doing.
> >> May be can get some clues from that.
> >>
> >> -Anoop-
> >>
> >>
> >> On Fri, Nov 30, 2012 at 2:04 PM, ramkrishna vasudevan <
> >> [EMAIL PROTECTED]> wrote:
> >>
> >> > Hi
> >> >
> >> > Pls check if this issue is similar to HBASE-5897.  It is fixed in
> 0.92.2
> >> as
> >> > i see from the fix versions.
> >> >
> >> > Regards
> >> > Ram
> >> >
> >> > On Fri, Nov 30, 2012 at 1:13 PM, yonghu <[EMAIL PROTECTED]>
> wrote:
> >> >
> >> > > Dear all,
> >> > >
> >> > > I have two tables, named test and tracking. For every put in the
> test
> >> > > table, I defined a postPut trigger to insert the same data into
> >> > > tracking table. I tested about 50 thousands tuples. The strange
> thing
> >> > > for me is for the first 20 thousands tuples, the speed is very fast
> (I
> >> > > made 5 times tests, every time is the same). And then, after that,
> the
> >> > > insertion to tracking table will be every slow, probably 2-3
> rows/sec.
> >> > > My hbase version is 0.92.0. Can anyone tell me why and how I can
> >> > > increase the speed?
> >> > >
> >> > > regards!
> >> > >
> >> > > Yong
> >> > >
> >> >
> >>
>