-
+
Operating System Environment
+
+ AIX>
+
AIX>IPC configuration>>
+
+ At least as of version 5.1, it should not be necessary to do
+ any special configuration for such parameters as
+ SHMMAX, as it appears this is configured to
+ allow all memory to be used as shared memory. That is the
+ sort of configuration commonly used for other databases such
+
+
It might , however, be necessary to modify the global
+ ulimit information in
+ /etc/security/limits, as the default hard
+ limits for file sizes (fsize) and numbers of
+ files (nofiles) might be too low.
+
+
+
BSD/OS>
The default settings are only suitable for small installations
- (the default max segment size is 32 MB). However the remaining
+ (the default maximum segment size is 32 MB). However, the remaining
defaults are quite generously sized, and usually do not require
- changes. The max segment size can be changed via the
- sysctl interface. For example, to allow 128 MB,
+ changes. The maximum shared memory segment size can be changed via the
+ sysctl interface. For example, to allow 128 MB,
and explicitly set the maximum total shared memory size to 2097152
pages (the default):
-
- AIX>
-
AIX>IPC configuration>>
-
- At least as of version 5.1, it should not be necessary to do
- any special configuration for such parameters as
- SHMMAX, as it appears this is configured to
- allow all memory to be used as shared memory. That is the
- sort of configuration commonly used for other databases such
-
-
It might , however, be necessary to modify the global
- ulimit information in
- /etc/security/limits, as the default hard
- limits for file sizes (fsize) and numbers of
- files (nofiles) might be too low.
-
-
-
Solaris>
|
>
- 8300 (assuming 8K BLCKSZ>)
+ 8300 (assuming 8 kB BLCKSZ>)
|
>
- 8200 (assuming 8K XLOG_BLCKSZ>)
+ 8200 (assuming 8 kB XLOG_BLCKSZ>)
|