Re: Implementation PrevaylerEight

Christian Stein <[email protected]> Fri, 24 Oct 2014 15:17:45 +0200
Newsgroups gmane.comp.java.prevayler
Message-ID <CAJi8+g64oa2BMRDvstO98kXCaE__8GfDoryShoAVQZ=berw5Fg@mail.gmail.com>
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On Fri, Oct 24, 2014 at 2:03 PM, Marcel Oerlemans <[email protected]
> wrote:

> Hiya,
>
> I just ran the scalability test with P8 through JProfiler, and there seems
> to be a locking problem at the basis of the steep decline in performance.
> Hope that helps...
>
>
Ja, it helped. Need to re-implement the locking facade like here:
http://www.takipiblog.com/java-8-stampedlocks-vs-readwritelocks-and-synchronized
... that should help, if the scalability test has a alot more readers then
writers.

Cheers,
Christian

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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 2:03 PM, Marcel Oerlemans <span dir=3D"ltr">&lt=
;<a href=3D"mailto:[email protected]" target=3D"_blank">marceloerle=
[email protected]</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" s=
tyle=3D"margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rg=
b(204,204,204);border-left-style:solid;padding-left:1ex"><div dir=3D"ltr">H=
iya,<div><br></div><div>I just ran the scalability test with P8 through JPr=
ofiler, and there seems to be a locking problem at the basis of the steep d=
ecline in performance. Hope that helps...</div><div><br></div></div></block=
quote><div><br></div><div>Ja, it helped. Need to re-implement the locking f=
acade like here: <a href=3D"http://www.takipiblog.com/java-8-stampedlocks-v=
s-readwritelocks-and-synchronized">http://www.takipiblog.com/java-8-stamped=
locks-vs-readwritelocks-and-synchronized</a> ... that should help, if the<s=
pan style=3D"font-family:arial,sans-serif;font-size:13px">=C2=A0</span><spa=
n style=3D"font-family:arial,sans-serif;font-size:13px">scalability test ha=
s a alot more readers then writers.</span></div><div><br></div><div>Cheers,=
</div><div>Christian=C2=A0</div></div></div></div>

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