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Special Forums News, Links, Events and Announcements Software Releases - RSS News Streamline 1.8.0.1 (Default branch)
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Old 02-02-2009
Streamline 1.8.0.1 (Default branch)
Streamline is a pipelined I/O subsystem for both kernel and application processing on Linux, with 40+ filters for pattern matching, stream reassembly, compression, etc. It exports the pipes, sockets, and pcap interfaces and uses shared memory to reduce I/O copy and context switch cost. Logical uses are rapid application development of intrusion detection systems and similar complex network processing tasks. License: GNU Lesser General Public License (LGPL) Changes:
This version updates the stream language to be a superset of Unix shell pipelines and improves support for hybrid pipelines consisting of streamline filters (e.g., in the network stack) and full Unix processes. Because of the extensive interface changes, this version is less mature than 1.7.4.5 and has little documentation (other than the mailing list). Image

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LEARN ABOUT HPUX

audit_memory_usage

audit_memory_usage(5)						File Formats Manual					     audit_memory_usage(5)

NAME

       audit_memory_usage - percentage of physical memory that can be used by audit subsystem

VALUES

   Failsafe
   Default
   Allowed values
   Recommended values
DESCRIPTION

       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 tunable; 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?
       None.

WARNINGS

       All HP-UX kernel tunable parameters are release specific.  This parameter may be removed or have its meaning changed in future releases	of
       HP-UX.

       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 values.  For information about the effects of installation  on  tun-
       able  values,  consult  the documentation for the kernel software being installed.  For information about optional kernel software that was
       factory installed on your system, see at

AUTHOR

       was developed by HP.

SEE ALSO

       audit(5).

							     Tunable Kernel Parameters					     audit_memory_usage(5)