Host Intrusion Prevention for Linux experiences high CPU condition with the HIPUS process on systems with multi-core processors

Technical Articles ID: KB75703
Last Modified: 11/7/2016

Environment

McAfee Host Intrusion Prevention (Host IPS) 8.0, 7.1, 7.0 (Linux)

Problem

High CPU usage on Linux systems with multi-core processors when Host IPS for Linux is installed.

Cause

The Host IPS for Linux HIPUS program was designed with a single-threaded architecture. This design causes systems with multi-core processors to experience a high CPU condition when using the Host IPS for Linux software.

NOTE: Host IPS for Solaris and Host IPS for Windows are not affected.

Solution

This architecture issue is resolved in Host IPS 8.0 Patch 4.

As a temporary measure, implement the workaround shown below.

Workaround

Engineering has found that most applications running Host IPS 8.0 software on Linux platforms have an acceptable level of performance when installed as a virtual guest using less than four virtual processors hosted on a VMware ESXi hypervisor.

The applications being used by the Linux system determine the actual performance of the system. Using fewer virtual processors allows the Host IPS for Linux single-threaded architecture to have better overall system performance.

Affected Products

Host Intrusion Prevention 8.0
Known Issue/Product Defect

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Host Intrusion Prevention for Linux experiences high CPU condition with the HIPUS process on systems with multi-core processors

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Host Intrusion Prevention for Linux experiences high CPU condition with the HIPUS process on systems with multi-core processors

Environment

Problem

Cause

Solution

Workaround

Affected Products

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