[Systems] wiki

Ivan Krstić krstic at solarsail.hcs.harvard.edu
Mon Mar 16 03:22:14 EDT 2009

On Mar 16, 2009, at 8:16 AM, Bernie Innocenti wrote:
> What did you do exactly?  Very curious :)

Tried a bunch of things like better caching (memcached) and different  
apache MPMs, but it didn't end up helping. Then I rolled a sparc64  
build of the APC opcode cache (<http://pecl.php.net/package/APC>),  
gave it a 256MB segment size with pthread mutexes, and wiki page  
renders went from 1600-1800ms down to 400-500ms each.

Live solarsail APC statistics: <https://radian.org/~krstic/apc.php>

We have a near-99% cache hit rate.

Ivan Krstić <krstic at solarsail.hcs.harvard.edu> | http://radian.org

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