List Info

Thread: Re: Memcaching Plan of Attack




Re: Memcaching Plan of Attack
country flaguser name
United Kingdom
2008-04-12 04:31:03
On Fri Apr 11, 2008, Jason Tang wrote:
> 
> On Fri Apr 11, 2008 at 12:49:11PM +0100, Simon Wilcox
wrote:
> > Jason Tang wrote:
> > >I'm trying to work out if there is anything in
the app I dont mind being
> > >out of date. I'm struggling as its a webapp
that people use for the
> > >backoffice processes and so everything kind of
needs to be up-to-date.
> > 
> > Then you probably don't want a cache. What's the
problem you're trying 
> > to solve ?
> 
> Its abit of a juggling game really. Trying to move away
raw sql dotted
> all over the repository to something abit more
organised - DBIC. In
> converting to DBIC its taken a notable hit on response
time. 0.25s -
> 2.5s and SQL DBIC generated is pretty close to the
original. I'm
> investigating other avenues (memcached) as well as
improving my DBIC-fu.
> 
> I've tried memcached with a 2min TTL and it _might_ be
an okay
> compromise. Maybe reduce it a little more.
> 
> Also the existing schema can be much improved but does
mean reworking
> alot of legacy stuff. Meh

 	Out of curiosity did you look at Rose:B::Objec
t when you
 	were moving to an ORM? Its a bit nippier than DBIC and
you
 	can turn object caching on where needed (Of course
nothing
 	like that is going to beet memcaching generated output,
but
 	every little help 

 	ob "lies, damned lies & benchmark" link
 	htt
p://code.google.com/p/rose/wiki/RDBOBenchmarks


-- 
 			   David Brownlee -- absabsd.org

[1]

about | contact  Other archives ( Real Estate discussion Medical topics )