December 2006
Intermediate to advanced
446 pages
11h 28m
English
book
High Available Architectures and Capacity Planning with WebSphere Remote Server V6
by Byron Braswell, Marc Siegel, Le Gang Wu
Content preview from High Available Architectures and Capacity Planning with WebSphere Remote Server V6
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158 HA Architectures & Capacity Planning with WebSphere Remote Server V6
Example 8-2 Changing the /proc/sys/kernel.shmmax file (part 1)
#cat /proc/sys/kernel/shmmax
33554432
#echo 33554430 > /proc/sys/kernel/shmmax
#cat /proc/sys/kernel/shmmax
33554430
However, since using these commands can introduce errors, we recommend
that you use the sysctl command because it checks the consistency of the data
before making any change as shown in Example 8-3.
Example 8-3 Changing the /proc/sys/kernel.shmmax file (part 2)
#sysctl kernel.shmmax
kernel.shmmax = 33554432
#sysctl -w kernel.shmmax=33554430
kernel.shmmax = 33554430
#sysctl kernel.shmmax
kernel.shmmax ...
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