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Bruce Momjian 2000-06-02 16:34:42 +00:00
parent 924d85bbbf
commit 68f7531dbd
3 changed files with 14 additions and 8 deletions
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3
HISTORY
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@ -34,7 +34,8 @@ Copy pg_ident.conf.sample into /lib directory in install (Bruce)
Add SJIS UDC (NEC selection IBM kanji) support (Eiji Tokuya) Add SJIS UDC (NEC selection IBM kanji) support (Eiji Tokuya)
Fix too long syslog message (Tatsuo) Fix too long syslog message (Tatsuo)
Fix problem with quoted indexes that are too long (Tom) Fix problem with quoted indexes that are too long (Tom)
JDBC ResultSet.getTimestamp() fix (Gregory Krasnow & Floyd Marinescu)
ecpg changes (Michael)
------------------------------------------------------------------------ ------------------------------------------------------------------------
Release 7.0 Release 7.0

15
doc/FAQ_BSDI
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@ -2,18 +2,25 @@ This outlines how to increase the number of shared memory buffers
supported by BSD/OS. By default, only 4MB of shared memory is supported supported by BSD/OS. By default, only 4MB of shared memory is supported
by BSDI. by BSDI.
Keep in mind that shared memory is not pageable. It is locked in RAM.
Bruce Momjian (pgman@candle.pha.pa.us) Bruce Momjian (pgman@candle.pha.pa.us)
--------------------------------------------------------------------------- ---------------------------------------------------------------------------
First, increase SHMMAXPGS by 1024 for every additional 4MB of shared Increase SHMMAXPGS by 1024 for every additional 4MB of shared
memory: memory:
/sys/sys/shm.h:69:#define SHMMAXPGS 1024 /* max hardware pages... /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. The default setting of 1024 is for a maximum of 4MB of shared memory.
Second, use bpatch to find the sysptsize value for the current kernel. For those running 4.1 or later, just recompile the kernel and reboot.
For those running earlier releases, there are more steps outlined below.
---------------------------------------------------------------------------
Use bpatch to find the sysptsize value for the current kernel.
This is computed dynamically at bootup. This is computed dynamically at bootup.
$ bpatch -r sysptsize $ bpatch -r sysptsize
@ -25,7 +32,3 @@ plus add 1 for every additional 4MB of shared memory you desire.
/sys/i386/i386/i386_param.c:28:#define SYSPTSIZE 0 /* dynamically... /sys/i386/i386/i386_param.c:28:#define SYSPTSIZE 0 /* dynamically...
sysptsize can not be changed by sysctl on the fly. sysptsize can not be changed by sysctl on the fly.
This should clearly be easier to do on BSDI. I will add a BSDI FAQ for
PostgreSQL to cover this. One downside is that shared memory is not
pageable. It is locked in RAM.

4
doc/src/sgml/release.sgml
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@ -1,5 +1,5 @@
<!-- <!--
$Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.49.2.3 2000/06/02 01:26:29 momjian Exp $ $Header: /cvsroot/pgsql/doc/src/sgml/release.sgml,v 1.49.2.4 2000/06/02 16:34:42 momjian Exp $
--> -->
<chapter id="release"> <chapter id="release">
@ -62,6 +62,8 @@ Copy pg_ident.conf.sample into /lib directory in install (Bruce)
Add SJIS UDC (NEC selection IBM kanji) support (Eiji Tokuya) Add SJIS UDC (NEC selection IBM kanji) support (Eiji Tokuya)
Fix too long syslog message (Tatsuo) Fix too long syslog message (Tatsuo)
Fix problem with quoted indexes that are too long (Tom) Fix problem with quoted indexes that are too long (Tom)
JDBC ResultSet.getTimestamp() fix (Gregory Krasnow & Floyd Marinescu)
ecpg changes (Michael)
</programlisting> </programlisting>
</para> </para>
</sect2> </sect2>