Direct links to fixes
APAR status
Closed as program error.
Error description
The M2001 IBM MQ Appliance does not perform as expected when using HA functionality. Comparing the performance against a normally-performing M2000 appliance shows that the M2001 appliance using the MQ 8.0.0.5 firmware exhibits slower networking performance.
Local fix
Problem summary
**************************************************************** USERS AFFECTED: All users of the M2001 IBM MQ Appliance Platforms affected: MultiPlatform **************************************************************** PROBLEM DESCRIPTION: The default configuration of the four port 10Gb ethernet module was not optimally configured for low latency messaging.
Problem conclusion
The 4 port 10Gb ethernet module has been reconfigured to provide lower latency which has a large impact on the performance of HA enabled scenarios. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v8.0 8.0.0.6 The latest available maintenance can be obtained from 'WebSphere MQ Recommended Fixes' http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037 If the maintenance level is not yet available information on its planned availability can be found in 'WebSphere MQ Planned Maintenance Release Dates' http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309 ---------------------------------------------------------------
Temporary fix
Comments
APAR Information
APAR number
IT15823
Reported component name
IBM MQ APPL M20
Reported component ID
5725S1400
Reported release
800
Status
CLOSED PER
PE
NoPE
HIPER
YesHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-06-22
Closed date
2016-06-27
Last modified date
2017-12-04
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
IBM MQ APPL M20
Fixed component ID
5725S1400
Applicable component levels
R800 PSY
UP
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Document Information
Modified date:
04 December 2017