- Issued:
- 2015-07-29
- Updated:
- 2015-07-29
RHEA-2015:1519 - Product Enhancement Advisory
Synopsis
Red Hat Enterprise MRG Realtime 2.5 enhancement update
Type/Severity
Product Enhancement Advisory
Red Hat Insights patch analysis
Identify and remediate systems affected by this advisory.
Topic
Updated Red Hat Enterprise MRG Realtime packages that add enhancements are now
available for Red Hat Enterprise MRG 2.5.
Description
Red Hat Enterprise MRG (Messaging, Realtime, and Grid) is a next-generation IT
infrastructure for enterprise computing. MRG offers increased performance,
reliability, interoperability, and faster computing for enterprise customers.
MRG Realtime provides the highest levels of predictability for consistent
low-latency response times to meet the needs of time-sensitive workloads. MRG
Realtime provides new levels of determinism by optimizing lengthy kernel code
paths to ensure that they do not become bottlenecks. This allows for better
prioritization of applications, resulting in consistent, predictable response
times for high-priority applications.
This update provides bug fixes for the following packages:
- The rt-setup package configures settings required by the Red Hat Enterprise
Linux real-time environment, such as creating the realtime group, adding
realtime user privileges to PAM (Pluggable Authentication Models), enabling the
configuration of kdump in real time, and disabling the irqbalance daemon by
default.
- The rteval package contains a utility for measuring various aspects of
real-time behavior on systems under load. The script unpacks the hackbench
stress test and benchmark utility, and the kernel source code from the
rteval-loads package, builds hackbench, and then goes into a loop, running
hackbench and compiling a kernel tree. During that loop, the cyclictest program
is run to measure event response times. After the run time completes, a
statistical analysis of the event response times is performed and printed to the
screen.
This update adds the following enhancements:
- MRG-Realtime stores release information in a database that is used to create
the contents of the /etc/mrg-rt-release file upon boot. The rt-setup package,
which manages this database, has been updated with new information about the
MRG-Realtime releases. (BZ#1230400)
- The rteval executable changed from using the libxslt library to the lxml
library from python and it caused the report generation to fail after a rteval
run completed. The rteval specfile was modified to require the python-lxml
package which allowed the rteval report generation to succeed. (BZ#1241120)
Users of the real-time capabilities of Red Hat Enterprise MRG 2.5, which is
layered on Red Hat Enterprise Linux 6, are advised to upgrade to these updated
packages which add this enhancement.
Solution
Before applying this update, make sure all previously released errata relevant
to your system have been applied.
This update is available via the Red Hat Network. Details on how to use the Red
Hat Network to apply this update are available at
https://access.redhat.com/knowledge/articles/11258
Affected Products
- MRG Realtime 2 x86_64
Fixes
- BZ - 1230400 - update release information in rt-setup
CVEs
(none)
References
(none)
MRG Realtime 2
SRPM | |
---|---|
rt-setup-1.60-5.el6rt.src.rpm | SHA-256: 6a1dd36ccaab5d6807c2ed4edf0366dc3d872e484a951bf50c583212ee3a4bc2 |
rteval-1.39-2.el6rt.src.rpm | SHA-256: f02ca47bcbdbccc28a1156173ad3d7a857c4ee366ce9aeef168d2bf7d80eed05 |
x86_64 | |
rt-setup-1.60-5.el6rt.noarch.rpm | SHA-256: ffa053d67f672066de96ba90f8b63370ae197a6b8ff944375501abb62b2e1a59 |
rteval-1.39-2.el6rt.noarch.rpm | SHA-256: 40d98f10fa3208bb4fffb8f6bf25c352ca044749352c55c6a0f91018990b8eb5 |
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.