Has anybody actually tried running bleadperl with modperl and mpm_event on Linux? I wouldn’t be surprised if it works without coring in malloc() at this point, or at least can be tuned to work.
On Sat, Aug 20, 2022 at 11:31 AM Joe Schaefer <j...@sunstarsys.com> wrote: > Solaris libc malloc() is also tunable (% man mallopt again), but I can > tell you that I've yet to have a reason to bother, because it simply > doesn't dump core on my mod_perl applications. > > > > On Sat, Aug 20, 2022 at 10:37 AM Joe Schaefer <j...@sunstarsys.com> wrote: > >> >> >> ---------- Forwarded message --------- >> From: Joe Schaefer <j...@sunstarsys.com> >> Date: Fri, Aug 19, 2022 at 10:37 PM >> Subject: Re: Experience running mod_perl2 with mpm_event on Solaris 11 >> To: pengyh <pen...@mail.de> >> >> >> Seriously it’s always been a quality of implementation issue in open >> source libc implementations (FreeBSD libc isn’t any better than glibc for >> modperl and event_mpm). >> >> I papered over a third player in the memory management regimes in play. >> The real problem for modperl isn’t apr pool allocations, it’s the bucket >> brigades in the filter stacks. That stuff is hitting malloc/free multiple >> times every time you deliver content to the browser. Combine that with a >> lot of concurrent ithreads and things fall apart on non Solaris libc >> implementations. >> >> >> On Fri, Aug 19, 2022 at 10:17 PM Joe Schaefer <j...@sunstarsys.com> wrote: >> >>> Lower case t on technology >>> >>> On Fri, Aug 19, 2022 at 10:17 PM Joe Schaefer <j...@sunstarsys.com> >>> wrote: >>> >>>> https://sunstarsys.com/CMS/Technology >>>> >>>> On Fri, Aug 19, 2022 at 10:15 PM pengyh <pen...@mail.de> wrote: >>>> >>>>> i am not a programming expert. but I hear that most scripts like >>>>> perl/python/ruby support threads not that well. is it? >>>>> >>>>> >>>>> Joe Schaefer wrote: >>>>> > Yes, with per Interpreter Threads. Everything else uses a Global >>>>> > Interpreter Lock, which makes it single threaded on the actual op >>>>> tree >>>>> > walk (running your script logic, instead of system calls). >>>>> >>>> -- >>>> Joe Schaefer, Ph.D. >>>> We only build what you need built. >>>> <j...@sunstarsys.com> >>>> 954.253.3732 <//954.253.3732> >>>> >>>> >>>> -- >>> Joe Schaefer, Ph.D. >>> We only build what you need built. >>> <j...@sunstarsys.com> >>> 954.253.3732 <//954.253.3732> >>> >>> >>> -- >> Joe Schaefer, Ph.D. >> We only build what you need built. >> <j...@sunstarsys.com> >> 954.253.3732 <//954.253.3732> >> >> >> >> >> -- >> Joe Schaefer, Ph.D. >> We only build what you need built. >> <j...@sunstarsys.com> >> 954.253.3732 <//954.253.3732> >> >> >> > > -- > Joe Schaefer, Ph.D. > We only build what you need built. > <j...@sunstarsys.com> > 954.253.3732 <//954.253.3732> > > > -- Joe Schaefer, Ph.D. We only build what you need built. <j...@sunstarsys.com> 954.253.3732 <//954.253.3732>
