From owner-freebsd-stable  Wed Mar 18 15:16:26 1998
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Date: Wed, 18 Mar 1998 15:16:10 -0800 (PST)
From: Tom <tom@uniserve.com>
To: Andrew Maltsev <am@amsoft.ru>
cc: freebsd-stable@FreeBSD.ORG
Subject: Re: MySQL on 2.2.6-BETA
In-Reply-To: <199803182306.CAA05266@amsoft.ru>
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On Thu, 19 Mar 1998, Andrew Maltsev wrote:

> > > Is there anybody successfully using MySQL on 2.2.6-beta with libc_r
> > > threads? I mean MySQL 3.21.26.
> > > 
> > > All compiles ok, and appears to work ok for some time, but:
> > >  1) `mysqladmin shutdown' does nothing
> > 
> >   Hmmm, you are right.  I could have sworn that this was working
> > fine with a previous version of MySQL..., but I shut mysql down so
> > infrequently.
> 
> So am I :)
> 
> But I'm planning to move from 3.20.x with mit-threads to 3.21.x with
> libc_r and so I'm looking for possible bugs..

  A couple of things that I noticed:

- I have some threads for connections that don't exist (mysqladmin
process).
- A normal "kill" works fine, and should be safe (kill -9 is NOT safe)

> What version do you mean, that has no such flaw? May be to look into
> changes..

  I don't remember.

> > >  3) `thr_alarm' locks forever
> > 
> >   What is this?
> 
> Sorta test suite for threads - located in mysys/ in mysql sources.
> 
> The perfomance (on PII-266) is just great. Incomparable to mit-thread
> baesd 3.20 - at least ten times faster..

  3.20 was quite slow to begin with.  You need to test libc_r version
mit-pthread with the same version.

Tom


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