To better understand how a memory leak can occurs in PHP, this presentation intr
oduces how memory freeing is managed in PHP. Then it shows how the php Meminfo e
xtension can be used to debug and to help fix memory leaks.
= HTTP exchange lifetime PHP process memory released a er each HTTP exchange Yes but... more and more capable-but-complex stacks long running background jobs
CATALOG POINTS OF SALE ERP MEDIA SERVER SUPPLIERS PURCHASING DPT MARKETING DPT CSV FTP XML XLS SUPPLIERS PORTAL ENRIC H TRAN SLATE CO N T RO L Import Jobs Export Jobs Mass Edition Jobs Rules Engine Jobs ...
released 2nd object will be released only when 1st object is released Neither of them can be released by the refcounter... The Refcounter Cannot Handle Circular References
speed and memory usage avoid (or at least be aware of) stateful services use a reasonable memory limit (not -1 !) keep the number of items in memory at a low level