Re: [PHP-DEV] open_basedir performance issue, realpathcache vs. statcache

2009-02-14 Thread Rasmus Lerdorf
Roland Mieslinger wrote: > Hello, > > we're managing a shared hosting environment with about 600 virtual > servers. All content for the websites is stored on a NFS share. > > We're suffering from a huge amount of lstat calls, and identified > open_basedir as the reason for that. strace shows tha

[PHP-DEV] open_basedir performance issue, realpathcache vs. statcache

2009-02-14 Thread Roland Mieslinger
Hello, we're managing a shared hosting environment with about 600 virtual servers. All content for the websites is stored on a NFS share. We're suffering from a huge amount of lstat calls, and identified open_basedir as the reason for that. strace shows that each call needs 40µs in average, this