> -----Original Message----- > From: Peter Lind [mailto:peter.e.lind@xxxxxxxxx] > Sent: Sunday, December 12, 2010 3:05 AM > To: Tommy Pham > Cc: Lester Caine; php-general List > Subject: Re: ORM doctrine > > On Sunday, 12 December 2010, Tommy Pham <tommyhp2@xxxxxxxxx> > wrote: > >> -----Original Message----- > >> From: Lester Caine [mailto:lester@xxxxxxxxxxx] > >> Sent: Sunday, December 12, 2010 2:10 AM > >> To: php-general List > >> Subject: Re: ORM doctrine > >> > >> Peter Lind wrote: > >> > Your posts seem to indicate that caches are only useful when other > >> > parts of the app have been done wrong. My point was that this is a > >> > fairly fundamental misunderstanding of caches - regardless of what > >> > you are or aren't capable of optimizing. > >> > >> CHACHES are only useful when there are static views of the > >> information available. Only static elements can be cached with any > >> real chance of performance improvement, so part of what Tommy is > saying is correct. > >> Although the way he has worded that is perhaps a little misleading? > > Possibly. However, thinking that a cache is something you apply at the end > of development means you may well bar yourself from better uses of one. > Ie. thinking that a cache is "icing on the cake" prohibits you from "mixing it > into the cake" (to further abuse a metaphor) which could give you "a better > recipe". I'm not sure about being 'a better cake' with all that sugar, you'll have a higher chance of diabetes. Therefore in trying to achieve a healthy (lean & mean) app, you'll more chances of having problems than it intend to solve. Regards, Tommy > I may have misunderstood the topic, but a cache to me is more than just > storing views. It's also the db cache, memcache, apc, etc. You have to think > about how you use these - some of them can't just be slapped on to your > app after development. > > > >> Data caching SHOULD always be the > >> domain of the database, so duplicating that in PHP is pintless. > > So you're saying one should never use memcache for storing data from the > db? > > Regards > Peter > > -- > <hype> > WWW: plphp.dk / plind.dk > LinkedIn: plind > BeWelcome/Couchsurfing: Fake51 > Twitter: kafe15 > </hype> -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
