Re: [PHP-DEV] reducing open calls in php

[Brian Moon]

Sascha Schumann wrote:
    Or simply use eAccelerator which does not cause those open
    calls.
    Rasmus, is that behaviour by design?  I deinstalled APC
    because of this 'characteristic' last week.  It was killing a
    high-traffic site.  

    - Sascha

On Thu, 2 Feb 2006, Rasmus Lerdorf wrote:

I think the main hint you need is to never use require_once/include_once with
an opcode cache.  Those are the only ones that will cause an open() call.  You
should only be seeing a single stat() call per file under APC (needed to get
the inode+device hash key for the shared memory lookup).

-Rasmus

This explains why we did not get nearly the performance from APC that we 
did from eAccelerator.  I thought it was odd.

Brian.

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