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| Guest |
 Posted: Sun Feb 24, 2008 1:33 am |
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Guest
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Has anyone else seen a slowdown with Yaws running under R12B-1? I
installed R12B-1 tonight and ran my Yaws site with it, and the site is
noticeably slower. I can not only see the slowdown visually in my
browser, but ab (ApacheBench) confirms it.
I haven't yet started investigating why, but I was just wondering if
this is a known issue. I'm running Yaws svn rev 1220, and I've tried
v1.75 with the same results.
--steve
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| Guest |
| Posted: Tue Feb 26, 2008 10:21 am |
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Guest
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On 2/23/08, Steve Vinoski <vinoski@ieee.org> wrote:
> Has anyone else seen a slowdown with Yaws running under R12B-1? I
> installed R12B-1 tonight and ran my Yaws site with it, and the site is
> noticeably slower. I can not only see the slowdown visually in my
> browser, but ab (ApacheBench) confirms it.
>
> I haven't yet started investigating why, but I was just wondering if
> this is a known issue. I'm running Yaws svn rev 1220, and I've tried
> v1.75 with the same results.
Responding to my own message, I've dug into this and found the issue
was due mostly to a non-Erlang portion of my system, but also due to
operator error on my part, also unrelated to Erlang and Yaws. All is
well, and my apologies for the noise.
--steve
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| Guest |
| Posted: Tue Feb 26, 2008 10:45 am |
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Guest
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Steve Vinoski wrote:
>
> Responding to my own message, I've dug into this and found the issue
> was due mostly to a non-Erlang portion of my system, but also due to
> operator error on my part, also unrelated to Erlang and Yaws. All is
> well, and my apologies for the noise.
>
Phuuu ... the original post was the kind which is
not especially easy to respond to.
Thanks
/klacke
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| Guest |
| Posted: Sat Mar 01, 2008 10:43 pm |
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Guest
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Hey Steve,
Since you were able to find the problem and resolve it, can you give us any idea if your site is running any faster under R12B-1? If so, any measurements?
Thanks,
Mike
On Mon, Feb 25, 2008 at 9:05 PM, Steve Vinoski <vinoski@ieee.org (vinoski@ieee.org)> wrote:
Quote: On 2/23/08, Steve Vinoski <vinoski@ieee.org (vinoski@ieee.org)> wrote:
> Has anyone else seen a slowdown with Yaws running under R12B-1? I
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| Guest |
| Posted: Sat Mar 01, 2008 11:51 pm |
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Guest
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On 3/1/08, Michael Fisher <desnotes@gmail.com> wrote:
> Hey Steve,
>
> Since you were able to find the problem and resolve it, can you give us any
> idea if your site is running any faster under R12B-1? If so, any
> measurements?
Hi Michael,
After finding my way through my previous false alarm, I didn't see
anything else that was obviously slower, so I haven't done any
specific measurements against R11B-5 to know if there are any specific
areas of R12B-1 speedup in my web code. I stuck some time measurements
here and there in the code looking for hotspots with R12B-1, but found
none. There are currently calls out to non-Erlang stuff that are so
much slower that they push the time spent in Erlang into the noise,
though I intend to speed up that other stuff very soon.
I have some non-web-related code, though, that does a lot of binary
manipulation, and I've measured anywhere from 19% to 32% speedups for
it using R12B-1 as compared to R11B-5, with no code changes and only a
recompile required.
On other thing to note about Yaws: from a go/no-go perspective, from
what I've seen Yaws works just fine with R12B-1. No code changes
required. I use things like appmods, yapps, xmerl, gen_server, etc.
and haven't had any problems at all.
--steve
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| wuji |
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