Performance when changing the length of a keys value. (It gets really bad.)

[Evan Martin]

See also
http://cheeseshop.python.org/memcached/1.2_tummy3

On 7/13/05, Alex Stapleton <alexs at advfn.com> wrote:
> I saw the reference to potential slowness readline() in the python
> client. I will try and fix that and submit my changes, and the
> results of any changes it has on my performance problem.
> 
> I couldn't recreate the problem on my last batch of tests, but I
> think I was using a smaller sample size. It definitely wasn't the
> same as my original run.
> 
> On 13 Jul 2005, at 18:10, Brad Fitzpatrick wrote:
> 
> > On Wed, 13 Jul 2005, Alex Stapleton wrote:
> >
> >
> >> Here is my test script. It is written in Python using the danga
> >> memcached module. I hope nothing mangles the formatting.
> >>
> >
> > Iirc, the Danga python module is/was inefficient, doing one syscall
> > per
> > byte read/written.  Hopefully that's not what's biting you.
> >
> > If somebody has time, I'd love to see this in C or Perl (clients I
> > trust),
> > before I go chasing possibly non-existent bugs in the server.
> >
> > - Brad
> >
> 
>