APAR status
Closed as program error.
Error description
At V10.0.0.10 the MALLOCOPTIONS default parameter used by IBM Integration Bus was optimized for performance. However this can result in excessive memory fragmentation and memory consumption for message flows where the size of the input messages is very variable.
Local fix
Problem summary
**************************************************************** USERS AFFECTED: All users of IBM Integration Bus V10 and IBM App Connect Enterprise V11 on AIX where the input messages have a large variation in size. Platforms affected: AIX **************************************************************** PROBLEM DESCRIPTION: At IIB V10.0.0.10 the MALLOCOPTIONS default parameter used by IBM Integration Bus was optimized for performance. However this can result in excessive memory fragmentation and memory consumption for message flows where the size of the input messages is very variable.
Problem conclusion
The product has been modified to allow a user to switch the preferred model using an environment variable: MQSI_MALLOCOPTIONS_OPTIMIZE=<Value> Where 'Value' is either 'MEMORY' to optimize for memory consumption or 'CPU' to optimize for CPU usage (this is the default). When a user has been previously advised by IBM support to enable the environment variable "MQSI_FREE_MASTER_PARSERS", that configuration works best when combined with MQSI_MALLOCOPTIONS_OPTIMIZE=MEMORY. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v10.0 10.0.0.18 v11.0 11.0.0.6 The latest available maintenance can be obtained from: http://www-01.ibm.com/support/docview.wss?rs=849&uid=swg27006041 If the maintenance level is not yet available,information on its planned availability can be found on: http://www-1.ibm.com/support/docview.wss?rs=849&uid=swg27006308 ---------------------------------------------------------------
Temporary fix
Comments
APAR Information
APAR number
IT26023
Reported component name
INTEGRATION BUS
Reported component ID
5724J0540
Reported release
A00
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2018-08-20
Closed date
2019-09-30
Last modified date
2019-09-30
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
INTEGRATION BUS
Fixed component ID
5724J0540
Applicable component levels
[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSNQK6","label":"IBM Integration Bus"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"10.0","Edition":"","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
30 September 2019