Posted by Rasmus Lerdorf on 01/07/05 18:05

On Fri, 7 Jan 2005, William Lovaton wrote:
> The phpbeans (or sockets) kind of solutions won't work as Josh Whiting
> (original author of this thread) would expect.
>
> phpbeans is a good idea to share (complex) business logic and data
> between many web servers but it will have to serialize and unserialize
> the data to send it across the network and it will kill the purpose of
> this discussion.
>
> See the post from Rasmus who says that APC package is able to store data
> in a shared memory segment without serialization. It still does a
> mem_cpy() though. This would be a real solution for the problem, but
> there are some others.
> http://pecl.php.net/package/APC
>
> Rasmus, you said this feature is currently in CVS... any idea about a
> new release? What kind of features offers the currently stable version
> (2.0.4) in this regard?

2.0.4 does not support this. I have a patch I am testing to fix some
other issues and once I get that working I will probably push out a new
release.

> Do you know where can I look for performance comparison between APC and
> other opcode cache systems like Turck, Zend Accel or eA??

These days they are all in the same ballpark. The optimizer in APC is not
very strong so it loses a percent or two there, but on the other hand many
people turn off the optimizer in other caches because it sometimes screws
up their scripts.

-Rasmus

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