Re: Implementation PrevaylerEight

Christian Stein <[email protected]> Fri, 24 Oct 2014 11:48:44 +0200
Newsgroups gmane.comp.java.prevayler
Message-ID <CAJi8+g7N-okyBeaBAsKm5f+SJi2gx2YvPysUegsN6kOBtMuwGg@mail.gmail.com>
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On Fri, Oct 24, 2014 at 11:42 AM, Marcel Oerlemans <
[email protected]> wrote:

> Hiya,
>
> Yes, I did. I forgot to include those results, here they are:
>

And the exceptions still arose?


> 32077,44 transactions/second @ 1 thread
> 6836,89 transactions/second @ 2 threads
> 547,94 transactions/second @ 3 threads
> 30,33 transactions/second @ 4 threads
>
> On the other hand, when I run your BenchConcurrent test, I got a peak
> of 1712415 transactions per second for P8. Which is incredible!
>
>
This puzzles me, too. Both. The steep decline of performance in the
Scalability test shipping with Prevayler and the heap of transactions that
P8 handles in a simple "do a fast as you can" scenario.

May be Klaus et al can elaborate this behaviour.

Cheers,
Christian

Btw. here http://www.chartgo.com/share.do?id=67c65287aa I'm charting my
current results. It's a nice online charting tool with a simple "GET"
interface.

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<div dir=3D"ltr"><br><div class=3D"gmail_extra"><br><div class=3D"gmail_quo=
te">On Fri, Oct 24, 2014 at 11:42 AM, Marcel Oerlemans <span dir=3D"ltr">&l=
t;<a href=3D"mailto:[email protected]" target=3D"_blank">marceloerl=
[email protected]</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" =
style=3D"margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:r=
gb(204,204,204);border-left-style:solid;padding-left:1ex"><div dir=3D"ltr">=
Hiya,<div><br></div><div>Yes, I did. I forgot to include those results, her=
e they are:</div></div></blockquote><div><br></div><div>And the exceptions =
still arose?</div><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=
=3D"margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(20=
4,204,204);border-left-style:solid;padding-left:1ex"><div dir=3D"ltr"><div>=
32077,44 transactions/second @ 1 thread<br></div><div><div>6836,89 transact=
ions/second @ 2 threads</div><div>547,94 transactions/second @ 3 threads</d=
iv><div>30,33 transactions/second @ 4 threads</div></div><div><br></div><di=
v>On the other hand, when I run your BenchConcurrent test, I got a peak of=
=C2=A01712415 transactions per second for P8. Which is incredible!</div><di=
v><br></div></div></blockquote><div><br></div><div>This puzzles me, too. Bo=
th. The steep decline of performance in the Scalability test shipping with =
Prevayler and the heap of transactions that P8 handles in a simple &quot;do=
 a fast as you can&quot; scenario.</div><div><br></div><div>May be Klaus et=
 al can elaborate this behaviour.</div><div><br></div><div>Cheers,</div><di=
v>Christian</div><div><br></div><div>Btw. here <a href=3D"http://www.chartg=
o.com/share.do?id=3D67c65287aa">http://www.chartgo.com/share.do?id=3D67c652=
87aa</a> I&#39;m charting my current results. It&#39;s a nice online charti=
ng tool with a simple &quot;GET&quot; interface.</div></div></div></div>

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