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msgmni
Description
The
msgmni
parameter specifies the maximum number of message queues system-wide.
This parameter is specified in /var/sysgen/mtune/msg.
Value
Default: 50
Range: 10-1000
When to Change
Increase this parameter if you want more message queues on the system. Decrease the value to limit the message queues.
Notes
If there are not enough message queues, a msgget(2) system call that attempts to create a new message queue returns the error:
ENOSPC: No space left on device
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