Re: Implementation PrevaylerEight

Marcel Oerlemans <[email protected]> Fri, 24 Oct 2014 11:53:09 +0200
Newsgroups gmane.comp.java.prevayler
Message-ID <CAKE0623D85ATRUunfMfwgTUkrNVTt0msxvmnGs7VPRCHPwC-tQ@mail.gmail.com>
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Hiya,

>And the exceptions still arose?
Nope, in that case, no more exceptions, but then I had the incredible steep
decline in performance.

Best,
Marcel




On Fri, Oct 24, 2014 at 11:48 AM, Christian Stein <[email protected]>
wrote:

>
>
> 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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> To unsubscribe go to the end of this page:
> http://lists.sourceforge.net/lists/listinfo/prevayler-discussion
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>
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<div dir=3D"ltr">Hiya,<div><br></div><div>&gt;<span style=3D"font-family:ar=
ial,sans-serif;font-size:13px">And the exceptions still arose?</span></div>=
<div>Nope, in that case, no more exceptions, but then I had the incredible =
steep decline in performance.=C2=A0</div><div><br></div><div>Best,</div><di=
v>Marcel</div><div><br></div><div><br></div><div><br></div></div><div class=
=3D"gmail_extra"><br><div class=3D"gmail_quote">On Fri, Oct 24, 2014 at 11:=
48 AM, Christian Stein <span dir=3D"ltr">&lt;<a href=3D"mailto:sormuras@gma=
il.com" target=3D"_blank">[email protected]</a>&gt;</span> wrote:<br><bloc=
kquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #cc=
c solid;padding-left:1ex"><div dir=3D"ltr"><br><div class=3D"gmail_extra"><=
br><div class=3D"gmail_quote"><span class=3D"">On Fri, Oct 24, 2014 at 11:4=
2 AM, Marcel Oerlemans <span dir=3D"ltr">&lt;<a href=3D"mailto:marceloerlem=
[email protected]" target=3D"_blank">[email protected]</a>&gt;</span> w=
rote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8e=
x;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-styl=
e:solid;padding-left:1ex"><div dir=3D"ltr">Hiya,<div><br></div><div>Yes, I =
did. I forgot to include those results, here they are:</div></div></blockqu=
ote><div><br></div></span><div>And the exceptions still arose?</div><span c=
lass=3D""><div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margi=
n:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204=
);border-left-style:solid;padding-left:1ex"><div dir=3D"ltr"><div>32077,44 =
transactions/second @ 1 thread<br></div><div><div>6836,89 transactions/seco=
nd @ 2 threads</div><div>547,94 transactions/second @ 3 threads</div><div>3=
0,33 transactions/second @ 4 threads</div></div><div><br></div><div>On the =
other hand, when I run your BenchConcurrent test, I got a peak of=C2=A01712=
415 transactions per second for P8. Which is incredible!</div><div><br></di=
v></div></blockquote><div><br></div></span><div>This puzzles me, too. Both.=
 The steep decline of performance in the Scalability test shipping with Pre=
vayler 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><div>C=
hristian</div><div><br></div><div>Btw. here <a href=3D"http://www.chartgo.c=
om/share.do?id=3D67c65287aa" target=3D"_blank">http://www.chartgo.com/share=
.do?id=3D67c65287aa</a> I&#39;m charting my current results. It&#39;s a nic=
e online charting tool with a simple &quot;GET&quot; interface.</div></div>=
</div></div>
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To unsubscribe go to the end of this page: <a href=3D"http://lists.sourcefo=
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_______________________________________________<br>
&quot;Databases in Memoriam&quot; -- <a href=3D"http://www.prevayler.org" t=
arget=3D"_blank">http://www.prevayler.org</a><br>
<br></blockquote></div><br></div>

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