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Re: Performances Tests
Anything at all would be great JM. Looking forward to it if you have the
time and interest. Thanks!

On Sunday, March 17, 2013, Jean-Marc Spaggiari wrote:

> @Lars: here is an example of what I use
> for i in {1..10}; do echo; echo -n $i ; rm -rf /tmp/*;
> bin/start-hbase.sh; sleep 60; bin/hbase
> org.apache.hadoop.hbase.PerformanceEvaluation sequentialWrite 1;
> bin/hbase org.apache.hadoop.hbase.PerformanceEvaluation --rows=100
> filterScan 1; bin/stop-hbase.sh; done &>> output.txt
>
> Giving only 1 as the readers allow to not launch the test as a MR. I
> have not try the same tests with a bigger number, but I can.
>
> @Andy: LoadTestTool is also on my list, but for YCSB it's a but harder
> since I will need more than one dedicated computer. But I will look at
> it too. I might be able to remove 1 node from my cluster and dedicate
> it to the tests when required...
>
>
> I will be pretty buzy next week, but before next week-end I will try
> to prepare the LoadTestTool scripts to run something similar. With
> multiple scenarios, like with and whithout bloom, etc.
>
> If yu have any recommandation/request, feel free! I will come back
> soon with some additionnal numbers.
>
> JM
>
> 2013/3/17 Andrew Purtell <[EMAIL PROTECTED] <javascript:;>>:
> > I'm not sure I trust the results of PerformanceEvauation.
> >
> > LoadTestTool and YCSB have their own issues but seem to produce more
> > consistent results. I've been thinking on adding scanning and filtering
> > tests to LoadTestTool.
> >
> > On Sunday, March 17, 2013, lars hofhansl wrote:
> >
> >> Cool. The 0.94.3 scanning improvements seems almost unbelievable
> >> (especially since many of my improvements to reduce the internal
> friction
> >> went into 0.94.4).
> >> I would like to track down the random read regression.
> >>
> >> Can you send the commands you ran? Are you running this as M/R job or
> >> standalone client?
> >>
> >> Thanks for doing this J-M.
> >>
> >>
> >> -- Lars
> >>
> >>
> >>
> >> ________________________________
> >>  From: Jean-Marc Spaggiari <[EMAIL PROTECTED] <javascript:;><javascript:;>>
> >> To: [EMAIL PROTECTED] <javascript:;> <javascript:;>
> >> Sent: Saturday, March 16, 2013 7:03 PM
> >> Subject: Re: Performances Tests
> >>
> >> Hi Enis,
> >>
> >> "interesting" in the positive way ;)
> >>
> >> Results are there:
> >>
> >>
> http://www.spaggiari.org/media/blogs/hbase/pictures/performances-1.pdf?mtime=1363484477
> >>
> >> The improvment on scan are impressive. sequentialRead and randomScan
> went
> >> down.
> >>
> >> In ran the 0.94.6 tests with RC2. If we have a RC3 I will rerun them.
> >>
> >> I will add HFilePerformanceEvaluation soon but I'm facinf some issues
> >> with it on previous HBase version...
> >>
> >> JM
> >>
> >> 2013/3/12 Enis Söztutar <[EMAIL PROTECTED]>:
> >> >> I just finished to run all the PerformanceEvaluation tests on a
> >> > dedicated computer with all 0.9x.x HBase versions, and I found results
> >> > interesting.
> >> > Can you please provide your numbers if you can. What is interesting
> from
> >> > your findings?
> >> >
> >> > Enis
> >> >
> >> >
> >> >
> >> > On Tue, Mar 12, 2013 at 5:41 PM, Jean-Marc Spaggiari <
> >> > [EMAIL PROTECTED]> wrote:
> >> >
> >> >> If you run only 1 client with PerformanceEvaluation, it's not running
> >> >> it over MapReduce, so you don't have this overhead. But you can still
> >> >> run it if you want to have something more distributed. Might be
> useful
> >> >> to have the 2 options. But at the end, LoadTestTool or
> >> >> PerformanceEvaluation, any of the 2 is good as long as we are adding
> >> >> those tests.
> >> >>
> >> >> I just finished to run all the PerformanceEvaluation tests on a
> >> >> dedicated computer with all 0.9x.x HBase versions, and I found
> results
> >> >> interesting. That gives us a good baseline to see if new HBase
> >> >> improvements are really improving performances.
> >> >>
> >> >> JM
> >> >>
> >> >> 2013/3/8 Andrew Purtell <[EMAIL PROTECTED]>:
>
Best regards,

   - Andy

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(via Tom White)