Hi Glyn, takizo, Sorry for delay.
I fixed some memory leaks in pgpool-II 3.1 and V3_0_STABLE. But I guess memory leaks are remaining as you say. Surely, free_parser() which was commented out might be problem. However, I think simply uncommenting leads unexpected new problem. So we have to fix those carefully. I will investigate and fix memory problems which was posted to this ML from now on. Regards, -- Toshihiro Kitagawa SRA OSS, Inc. Japan On Thu, 8 Sep 2011 16:22:50 +0800 takizo <paul...@takizo.com> wrote: > Glyn, > > Surely, I will try 2.3.3 :) > Thanks a lot > > -- > Paul Ooi > > > > On Sep 8, 2011, at 4:00 PM, Glyn Astill wrote: > > > Hi takizo, > > > > We are currently using Pgpool-II 2.3.3 and it has been really stable for > > us. Unless you're after a specific feature in Pgpool-II 3.x you could > > perhaps try it? > > > > So far I've had no luck with the patch posted by Yoshiyuki, even with that > > patch there is still a massive memory leak in 3.0.4. It would appear that > > pool_proto_modules.c has lots commented out calls to free_parser(), many > > more than the single case that Yoshiyuki uncommented with his patch, so > > either there is a bit of a mess there that needs sorting out by someone who > > knows the overall logic, or the issue is elsewhere. > > > > Glyn > > > > From: takizo <paul...@takizo.com> > > To: Glyn Astill <glynast...@yahoo.co.uk> > > Cc: "pgpool-general@pgfoundry.org" <pgpool-general@pgfoundry.org> > > Sent: Thursday, 8 September 2011, 1:48 > > Subject: Re: [Pgpool-general] Pgpool I vs Pgpool II > > > > Gyln, > > > > Thanks. I happened to read through the thread after posted the mail. It > > seems like I have to stick with Pgpool I until the developer is free. > > > > -- > > takizo > > > > > > > > On Sep 7, 2011, at 10:53 PM, Glyn Astill wrote: > > > >> Hi takizo, > >> > >> Yes this bug has been seen by numerous people on the list, Yoshiyuki Asaba > >> has posted a patch, however there has been no response from the main > >> Pgpool II developers. > >> > >> I did ask a few times, and also asked if we'd be better testing 3.1, but > >> alas still no response. I can only assume the devs are busy or otherwise > >> indisposed. > >> > >> See the thread below for the patch. > >> > >> http://www.mail-archive.com/pgpool-general@pgfoundry.org/msg03141.html > >> > >> Glyn > >> > >> From: takizo <paul...@takizo.com> > >> To: pgpool-general@pgfoundry.org > >> Sent: Wednesday, 7 September 2011, 15:02 > >> Subject: [Pgpool-general] Pgpool I vs Pgpool II > >> > >> Hi all, > >> > >> Today I have upgraded Pgpool I to Pgpool II. And I had to roll back to > >> Pgpool I due to memory hunger issue. > >> > >> My server is configured with > >> PostgreSQL 8.2, > >> running on FreeBSD 8.2 > >> Intel Xeon box with 4 CPUs with Quad Core, total of 16 cores > >> Memory with 24GB > >> > >> * While running on Pgpool I > >> I do no have memory hunger issue. On postgresql.conf, I have > >> max_connections=200 and shared_buffers=2GB. > >> Most of the time, I have 8GB memory in used and 10GB Free and some in > >> cached. Everything run just fine and perfectly good. > >> > >> * I tried upgraded to Pgpool II > >> Same config on postgresql.conf, when I started PgPool II (3.0.4), my > >> active memory started increasing and it didn't drop at all. > >> I left the server running and after about 20 minutes, 20GB memory is in > >> used, ended up it used swap memory because running out of memory. > >> > >> I run a reload/restart on pgpool, I gained back 14GB of free memory, and > >> slowly it started to taken up those freed memory in active memory after > >> about 15-20 minutes. > >> I tried to bring down max_connections and shared_buffers value, and the > >> memory doesn't stop taking up. It still slowly gaining all the memory it > >> wants. > >> > >> Has anyone having that problem as well? I hope I can find some answer here > >> :) > >> Wanted to try out pgpool II performance but this problem is the stopper > >> for now. > >> > >> Hope to get feedback from gurus in the house. > >> > >> Thanks! > >> > >> -- > >> takizo > >> _______________________________________________ > >> Pgpool-general mailing list > >> Pgpool-general@pgfoundry.org > >> http://pgfoundry.org/mailman/listinfo/pgpool-general > >> > >> > > > > > > > _______________________________________________ Pgpool-general mailing list Pgpool-general@pgfoundry.org http://pgfoundry.org/mailman/listinfo/pgpool-general
