Re: Experience running mod_perl2 with mpm_event on Solaris 11

Very interesting, Joe! Thank you for sharing your insights into this and experience with it. Here’s hoping someone can solve/fix the problem with mod_perl threads on Linux.

Regards,
Ed

On Aug 19, 2022, at 1:44 PM, [email protected] wrote:
> The problem is really confined to embedded uses of ithreads, because Perl itself will mutex-wrap the malloc calls.  In httpd, so do all apr_pool_t calls to malloc.  It's when the two memory management techniques are interacting that there is no application-level way to guard against thread contention in libc's malloc.
> 
> Mod_perl+ithreads are awesome, when used intelligently. You gain intelligence from experience trying to use it in a lot of ways that suck, until you hit one the path that yields success.