audit_memory_usage(5)audit_memory_usage(5)NAMEaudit_memory_usage - percentage of physical memory that can be used by
The tunable defines the percentage of physical memory that can be used
by audit records. If the audit record memory usage exceeds the limit,
the audit subsystem blocks the system call until memory usage comes
down inside the limit.
Who Is Expected to Change This Tunable?
Administrator with proper privileges can change the value of
Restrictions on Changing
This tunable value can be changed any time, as this is a dynamic tun‐
able; but its value can not be lowered below the memory currently used
by the audit subsystem for records.
When Should the Value of This Tunable Be Raised?
When the system to be audited is critical and generates many records.
What are the Side Effects of Raising the Value?
If the system is generating great number of records, and the value is
raised, then it can create a lot of unflushed memory and might slow
down the system.
When Should the Value of This Tunable Be Lowered?
When the audit subsystem is not generating many records.
What are the Side Effects of Lowering the Value?
If many audit records are generated, then the auditing subsystem might
block the system call.
What Other Tunable Values Should Be Changed at the Same Time?
All HP-UX kernel tunable parameters are release specific. This parame‐
ter may be removed or have its meaning changed in future releases of
Installation of optional kernel software, from HP or other vendors, may
cause changes to tunable parameter values. After installation, some
tunable parameters may no longer be at the default or recommended val‐
ues. For information about the effects of installation on tunable val‐
ues, consult the documentation for the kernel software being installed.
For information about optional kernel software that was factory
installed on your system, see at
was developed by HP.
Tunable Kernel Parameters audit_memory_usage(5)