randgen team mailing list archive

["Philip Stoev" <philip@xxxxxxxxx>]

You are right, I went overboard with this and only produced limited benefit 
when it comes to preserving memory.

I will revert the original change shortly and push it again as you 
suggested, with --low-memory.

Philip Stoev

----- Original Message ----- 
From: "John H. Embretsen" <johnemb@xxxxxxxxx>
To: <randgen@xxxxxxxxxxxxxxxxxxx>
Sent: Thursday, January 13, 2011 2:36 PM
Subject: [Randgen] Make changes in Rev 662 (Jan 11) for restricted mysqld 
mem usage optional?


> Philip (primarily),
>
>
> Regarding your commit of January 11:
>
> On 01/11/11 14:00, noreply@xxxxxxxxxxxxx wrote:
> > ------------------------------------------------------------
> > revno: 662
> > committer: eve<philips@eve>
> > branch nick: randgen-memory
> > timestamp: Tue 2011-01-11 14:57:27 +0200
> > message:
> >    restrict mysqld memory usage in an attempt to allow running more than 
> > one RQG test simultaneously without having to buy 16Gb of ram
> > modified:
> >    lib/GenTest/Reporter/Recovery.pm
> >    runall.pl
>
>
> Can you please make the changes to runall optional, e.g. by introducing an 
> RQG option "--low-memory" or something like that?
>
> The reasoning is that:
>
> a) We would sometimes like to run with some of these settings as default 
> in the server being tested (especially InnoDB, MyISAM), without setting 
> them explicitly.
>
> b) InnoDB in 5.0 and 5.1 fails to boot with 
> loose-innodb-buffer-pool-size=4M:
>
> From server log (5.0/5.1):
>
> InnoDB: Doublewrite buffer not found: creating new
> InnoDB: Cannot create doublewrite buffer: you must
> InnoDB: increase your buffer pool size.
> InnoDB: Cannot continue operation.
>
>
> thank you,
>
> --
> John
>
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