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Date:      Tue, 11 Jun 2002 10:34:46 +0200
From:      Leo De Geer <leo@ktv.se>
To:        Alexander V Zubchenko <stalker@hermes-comp.zp.ua>
Cc:        Dicky Wahyu Purnomo <dicky.wahyu@1rstwap.com>, <mysql@lists.mysql.com>, <freebsd-questions@FreeBSD.ORG>
Subject:   Re: problem with mysql threads on freebsd
Message-ID:  <200206111034.46397.leo@ktv.se>
In-Reply-To: <20020611104600.A87813-100000@server.hermes-comp.zp.ua>
References:  <20020611104600.A87813-100000@server.hermes-comp.zp.ua>

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On Tuesday 11 June 2002 09.57, Alexander V Zubchenko wrote:
> Greetings!
>
> On Tue, 11 Jun 2002, Leo De Geer wrote:
> > but in my case its not good to have it that way im having one dedikat=
ed
> > dual server for the sql and now im yust using one cpu for the sql
> > questions. i nead it to start sub conections to the sql to serv all m=
y
> > conections good.
>
> In such case provide, please additional info. AFAIU, You want to use
> both cpu for sql, in other words, optimal use of Your server. Than, do
> You recompile (or compile) kernel with SMP support (afaik, this is
> only arch for multicpu systems, supported by fbsd)? You can b sure,
> that if mysql will run separate process for each request, it will
> slowdown perfomance, but never increase it. In fact, balancing load on
> many cpus is OS task. And multithreaded processes _must_ b processed
> similarly to multiprocess environment (but i don't know, how exactly
> fbsd smp-support built). Check Your kernel config
> /usr/src/sys/i386/conf/<name>. You may find also this <name>
> interesting:
> LINT - list [almost?] all options recognized in config-file.
>
> With respect,
>
> Alexander V Zubchenko,=09=09E-Mail: stalker@hermes-comp.zp.ua
> System Administrator,=09=09WWW: http://www.hermes-comp.zp.ua/
> Hermes-comp,
> Ukraine,
> Zaporizhzhya,
> Geroev Stalingrada 50
> phone/fax: +380 612 64-19-72
the kernel is runing both cpu. and the balancing is working good on every=
thing=20
but the sql!

i have on my linux sql server aproximatly 100 simultanius conections that=
 du=20
you think that the standard memory size of 128 do you think i nead to put=
 it=20
up to 256 meg in the kernel
--=20
MVH C. Leo De Geer
www.dinsignal.com
www.ktv.se
www.teknikshoppen.nu

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