A fix is available
APAR status
Closed as new function.
Error description
New Function
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: Users at HBB7790 on z13 machines. * **************************************************************** * PROBLEM DESCRIPTION: This APAR improves the time it takes * * to clear large pages on z13 machines. * **************************************************************** * RECOMMENDATION: * **************************************************************** Clearing a large page is a fairly expensive operation. As more applications use large pages, this may lead to system performance problems.
Problem conclusion
Temporary fix
Comments
For z13 machines, this APAR will optimize the instruction set used to clear a large page to improve system performance. Additional Search Keywords: R2964/K D/T2964
APAR Information
APAR number
OA48419
Reported component name
RSM - REAL STOR
Reported component ID
5752SC1CR
Reported release
790
Status
CLOSED UR1
PE
NoPE
HIPER
NoHIPER
Special Attention
YesSpecatt / New Function
Submitted date
2015-07-15
Closed date
2015-09-04
Last modified date
2015-10-02
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
UA78870
Modules/Macros
IAXCG IAXCU IAXDR IAXFB IAXFJ IAXFM IAXFN IAXFS IAXFU IAXFY IAXGI IAXMH IAXMR IAXPB IAXPL IAXPR IAXVH IAXVI IAXVN IAXVP IAXVT IAXV1 IAXV2 IAXV3 IAXV8 IAXXL IAXYZ
Fix information
Fixed component name
RSM - REAL STOR
Fixed component ID
5752SC1CR
Applicable component levels
R790 PSY UA78870
UP15/09/30 P F509
Fix is available
Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.
[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG19M","label":"APARs - z\/OS environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"790","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":null,"label":null},"Product":{"code":"SG19O","label":"APARs - MVS environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"790","Edition":"","Line of Business":{"code":"","label":""}}]
Document Information
Modified date:
02 October 2015