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Update bsdi shared memory stuff.

This commit is contained in:
Bruce Momjian 2001-02-16 19:43:52 +00:00
parent 88c55990ce
commit 64a1b6263d
2 changed files with 18 additions and 1 deletions
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8
doc/FAQ_BSDI
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@ -21,6 +21,14 @@ 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.
The shared memory parameters are:
#define SHMMAX /* max shared memory segment size (bytes) */
#define SHMMIN /* min shared memory segment size (bytes) */
#define SHMMNI /* max number of shared memory identifiers */
#define SHMSEG /* max shared memory segments per process */
#define SHMALL /* max amount of shared memory (pages) */
To increase the number of buffers supported by the postmaseter, add the
following to your kernel config file. A SHMALL value of 1024
represents 4MB of shared memory. Increase it accordingly:

11
doc/src/sgml/runtime.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.53 2001/02/16 19:27:19 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/runtime.sgml,v 1.54 2001/02/16 19:43:52 momjian Exp $
-->
<Chapter Id="runtime">
@ -1536,6 +1536,15 @@ env PGOPTIONS='-c geqo=off' psql
<para>
By default, only 4 MB of shared memory is supported. Keep in
mind that shared memory is not pageable; it is locked in RAM.
The shared memory parameters are:
<programlisting>
#define SHMMAX /* max shared memory segment size (bytes) */
#define SHMMIN /* min shared memory segment size (bytes) */
#define SHMMNI /* max number of shared memory identifiers */
#define SHMSEG /* max shared memory segments per process */
#define SHMALL /* max amount of shared memory (pages) */
</programlisting>
To increase the number of buffers supported by the postmaseter, add the
following to your kernel config file. A <varname>SHMALL</> value of 1024
represents 4MB of shared memory. Increase it accordingly: