On 03/22/2013 07:16 AM, Platonides wrote: > APC can do two things: > 1) Keep the compiled php opcodes, so php execution is faster. > 2) Allow the application to store values in the web server memory (kept > accross requests). > > ZendOptimizer only does 1. [...] > The «APC is a "must have" for larger MediaWikis» is due to 1. In fact, > wikimedia is not using APC for 2, but memcached.
With one exception: a [live hack][1] to use apc_inc() instead of rand() to generate a 32-bit TRANS-ID for HTCP cache purging. Why is this hack in place? Is it particularly useful for [monitoring packet loss][2]? [1]: https://gerrit.wikimedia.org/r/gitweb?p=mediawiki/core.git;a=blobdiff;h=897397e41fe14bdf7dcd02eb61a9744880a5e1a3;hb=b7bc01d0ccea6a6a817aed31d781ce6693ee9417;hpb=1256724550556e5e35810bb88b20ef87dbe1ce47 [2]: https://svn.wikimedia.org/viewvc/mediawiki/trunk/udpmcast/htcpseqcheck.py?view=markup -- Wikipedia user PleaseStand http://en.wikipedia.org/wiki/User:PleaseStand _______________________________________________ Wikitech-l mailing list Wikitech-l@lists.wikimedia.org https://lists.wikimedia.org/mailman/listinfo/wikitech-l
