Re: ZTS - why are you using it?

On Tue, Jan 29, 2013 at 5:03 PM, Zeev Suraski <zeev@zend.com> wrote: > I didn’t want to hijack the Optimizer+ thread so I’m creating a new one, > based on the apparent level of interest in ZTS. This isn’t an RFC to > remove ZTS by any stretch, but I **am** a bit confused about why people are > still using ZTS. > > > > A bit of background. I started the ZTS project (based on initial work by > Shane Caraveo more than a decade ago), and invested countless hours in > pushing it all throughout PHP. So I really hold absolutely no grudge > against it, quite the contrary… However, many years ago, I came to the > conclusion that it was a bit of a lost cause trying to weed out all the > thread safety issues from everywhere – and that a simpler, more elegant > solution exists in the form of FastCGI. > > > > Which brings me to the subject of this mail – why are you using ZTS PHP > instead of single threaded PHP? The reasons not to use it are few but > fairly major – it’s significantly slower than the non-ZTS PHP, and it’s > significantly less robust in the sense that a single bug somewhere can > bring down an entire server (or at least a bunch of many different > threads). What are your reasons to choose it over FastCGI? Hey: It's not we choose ZTS, it is there are many users run with them (IIS, Apache+workers, and pthreads extension require it) and all PHP extensions supports it, so if O+ doesn't, it feel a little inconsistent. thanks > > > > Zeev -- Laruence Xinchen Hui http://www.laruence.com/