Re: Performance issues

1megabyte of code :) not 1M lines sorry about that confusion there and the problem began slow, not noticable... But it's now worse then ever. "Jon Haworth" <jhaworth@witanjardine.co.uk> wrote in message news:67DF9B67CEFAD4119E4200D0B720FA3F0241E995@BOOTROS... > Hi Karel, > > > mysql entries: at least 2M > > php code: at least 1M lines > > More than a million lines of code? That's a *big* app. > > > And now we are experiencing a really heavy > > load on the server. (no root access, but we think > > it's PHP). > > You're running it on a server with no root access? Is it a shared server? If > you're running a >1,000,000 LOC app I'd expect it to have enough traffic > that a dedicated box would be a necessity. > > Have you looked at the output from top when the load is getting too heavy? > This will tell you which processes are tying up the processor. > > Did the heavy load happen immediately after your code change? If so then > that might be a culprit... are there any chunks of code you can roll back to > the old version to see if the load decreasese? (e.g. have you modified a bit > to use a *lot* of string concatenation, or something?) > > Cheers > Jon