Sat, Apr 11, 2009 at 8:21 AM, Denis Filimonov <denis@filimonov.name> wrote:
> Too little information to tell for sure, but it seems the problem is caused by
> MySQL table locking issues, not PHP.

which would create a chain reaction, which has happened to me before...

mysql blocking/taking time -> php -> nginx waiting for the response

try removing your mysql queries (or profiling them) and see if you
have the same stalling issues

there could be a variety or other things, but that's low hanging fruit..