In order to ensure that RMS runs normally, the following kernel parameters need to be set. Therefore, when RMS is installed, the definitions of the parameters in /etc/sysctl.conf are automatically updated if not defined or defined with smaller value than the following "Value".
Kernel parameter | Characteristics | Value | Comments (parameter description) |
|---|---|---|---|
kernel.msgmnb | Maximum value | 4194304 | Byte size of the message queue |
kernel.msgmax | Maximum value | 16384 | Maximum size of the message text |
kernel.msgmni | Addition | 8192 | Maximum number of message queues for the entire system |
Note
In PRIMECLUSTER, message queues are used for interprocess communication.
When RMS is running, 2076 message queues are reserved from 0x4d2.
If you are using message queues for any applications, use the range other than above (0x4d2 to 0xcee).
Even if definitions of the kernel parameters in /etc/sysctl.conf are automatically added/updated, change the value as necessary in consideration of the value required by other software and user applications.
