Re: [HACKERS] number of opened files ?
Tom Samplonius <tom@sdf.com>
From: Tom <tom@sdf.com>
To: Oleg Bartunov <oleg@sai.msu.su>
Cc: pgsql-hackers@postgresql.org
Date: 1998-08-04T04:03:11Z
Lists: pgsql-hackers
On Mon, 3 Aug 1998, Oleg Bartunov wrote: > Hi, > > How many files really needed for postgres ? > On my Linux box I checked this by lsof and found 443 open files (and sockets) > by 7 backends + 1 postmaster ? Postgres will keep a some files open. > This is amazing. Do postgres really needs to keep so much open files ? 443 is not that many. > I use apache+mod_perl and Apache::DBI for authent./authorization > and it's not difficult to reach file table limit when running Huh? Most systems have a file table limit of several thousand. I think you need to check it into this. I have a max of 2088 descriptors on most systems here, and I double that if necessary. > 15 httpd daemons + 15 backends. I use persistent connections, > so backends will stay alive. A number of backends could grow if > I use different connection string (I try to avoid this). > This is my development computers and there are another bunch of processes > (X, window manager etc). > > Regards, > > Oleg > _____________________________________________________________ > Oleg Bartunov, sci.researcher, hostmaster of AstroNet, > Sternberg Astronomical Institute, Moscow University (Russia) > Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/ > phone: +007(095)939-16-83, +007(095)939-23-83 Tom