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Remove a couple of obsolete statements about how many buffers you can

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fit into a 512K shared memory segment.
This commit is contained in:
Tom Lane 2005-08-30 15:48:28 +00:00
parent b740be2520
commit 571be6f381
1 changed files with 8 additions and 10 deletions
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18
doc/src/sgml/runtime.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.351 2005/08/30 02:09:29 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/runtime.sgml,v 1.352 2005/08/30 15:48:28 tgl Exp $
-->
<chapter Id="runtime">
@ -362,8 +362,8 @@ DETAIL: Failed system call was shmget(key=5440001, size=4011376640, 03600).
is trying to create (4011376640 bytes in this example). Or it could
mean that you do not have System-V-style shared memory support
configured into your kernel at all. As a temporary workaround, you
can try starting the server with a smaller-than-normal number
of buffers (<option>-B</option> switch). You will eventually want
can try starting the server with a smaller-than-normal number of
buffers (<xref linkend="guc-shared-buffers">). You will eventually want
to reconfigure your kernel to increase the allowed shared memory
size. You may also see this message when trying to start multiple
servers on the same machine, if their total space requested
@ -382,7 +382,7 @@ DETAIL: Failed system call was semget(5440126, 17, 03600).
<productname>PostgreSQL</productname> wants to create. As above,
you may be able to work around the problem by starting the
server with a reduced number of allowed connections
(<option>-N</option> switch), but you'll eventually want to
(<xref linkend="guc-max-connections">), but you'll eventually want to
increase the kernel limit.
</para>
@ -5116,9 +5116,8 @@ sysctl -w kern.sysv.shmall
<listitem>
<para>
In the default configuration, only 512 kB of shared memory per
segment is allowed, which is about enough for <option>-B 24 -N
12</>. To increase the setting, first change to the directory
<filename>/etc/conf/cf.d</>. To display the current value of
segment is allowed. To increase the setting, first change to the
directory <filename>/etc/conf/cf.d</>. To display the current value of
<varname>SHMMAX</>, run
<programlisting>
./configure -y SHMMAX
@ -5197,9 +5196,8 @@ set semsys:seminfo_semmsl=32
<listitem>
<para>
On <productname>UnixWare</> 7, the maximum size for shared
memory segments is 512 kB in the default configuration. This
is enough for about <option>-B 24 -N 12</>. To display the
current value of <varname>SHMMAX</>, run
memory segments is only 512 kB in the default configuration.
To display the current value of <varname>SHMMAX</>, run
<programlisting>
/etc/conf/bin/idtune -g SHMMAX
</programlisting>