From d9bb8e7590b87c68e88ececc3aefd797f9c30c9c Mon Sep 17 00:00:00 2001 From: Bruce Momjian Date: Fri, 9 Jun 2000 16:35:54 +0000 Subject: [PATCH] Update bsdi faq. --- doc/FAQ_BSDI | 32 ++++++++++++++++++++++---------- 1 file changed, 22 insertions(+), 10 deletions(-) diff --git a/doc/FAQ_BSDI b/doc/FAQ_BSDI index ff00bc321b8..6101c0a26ac 100644 --- a/doc/FAQ_BSDI +++ b/doc/FAQ_BSDI @@ -1,27 +1,39 @@ -This outlines how to increase the number of shared memory buffers -supported by BSD/OS. By default, only 4MB of shared memory is supported -by BSDI. +This outlines modifications to BSD/OS for running PostgreSQL: -Keep in mind that shared memory is not pageable. It is locked in RAM. +1) How to increase resource limits +2) How to increase the number of shared memory buffers -Bruce Momjian (pgman@candle.pha.pa.us) +Bruce Momjian (pgman@candle.pha.pa.us) 2000-06-09 --------------------------------------------------------------------------- -Increase SHMMAXPGS by 1024 for every additional 4MB of shared -memory: +1) To increase the amount of malloc'ed memory and files opened by +PostgreSQL, add this: + + :datasize-cur=600M:\ + :openfiles-cur=256: + +to your /etc/login.conf file. + +--------------------------------------------------------------------------- + +2a) By default, only 4MB of shared memory is supported by BSDI. Keep in +mind that shared memory is not pageable. It is locked in RAM. + +To increase the number of buffers supported by the postmaseter, increase +SHMMAXPGS by 1024 for every additional 4MB of shared memory: /sys/sys/shm.h:69:#define SHMMAXPGS 1024 /* max hardware pages... The default setting of 1024 is for a maximum of 4MB of shared memory. For those running 4.1 or later, just recompile the kernel and reboot. -For those running earlier releases, there are more steps outlined below. +For those running earlier releases, see step 2b. --------------------------------------------------------------------------- -Use bpatch to find the sysptsize value for the current kernel. -This is computed dynamically at bootup. +2b) For 4.01 and earlier, use bpatch to find the sysptsize value for +the current kernel. This is computed dynamically at bootup. $ bpatch -r sysptsize 0x9 = 9