PTF Cover Letter
PTF ( Program Temporary Fixes ) Cover letter
OSP-DB-JRN Degraded performance due to increased IO and gate
Pre/Co-Requisite PTF / Fix List
REQ LICENSED PTF/FIX LEVEL
TYPE PROGRAM RELEASE NUMBER MIN/MAX OPTION
---- -------- --------- ------- ------- ------
NONE
NOTICE:
-------
Application of this PTF may disable or render ineffective programs that
use system memory addresses not generated by the IBM translator,
including programs that circumvent control technology designed to limit
interactive capacity to purchased levels. This PTF may be a prerequisite
for future PTFs. By applying this PTF you authorize and agree to the
foregoing.
This PTF is subject to the terms of the 'IBM License Agreement for Machine
Code', the terms of which were provided in a printed document that was
delivered with the machine.
SUBJECT TO ANY WARRANTIES WHICH CAN NOT BE EXCLUDED OR EXCEPT AS EXPLICITLY
AGREED TO IN THE APPLICABLE LICENSE AGREEMENT OR AN APPLICABLE SUPPORT
AGREEMENT, IBM MAKES NO WARRANTIES OR CONDITIONS EITHER EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON INFRINGEMENT,
REGARDING THE PTF.
APAR Error Description / Circumvention
-----------------------------------------------
Running an internal performance benchmark shows performance
degradation due to increased IO and gate contention.
CORRECTION FOR APAR MA45729 :
-----------------------------
Journaled object information was being written to disk too
aggressively. This change reduces the amount of journaled object
information being written.
CIRCUMVENTION FOR APAR MA45729 :
--------------------------------
None.
Activation Instructions
None.
Special Instructions
None.
Default Instructions
THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.
Supersedes
PTF/FIX NO(S). APAR TITLE LINE
-------------- ------------------------------------------------------------
MF62040 LIC-DB-JRN-RC2-MSGCPF7091 CPF7091 RC2 NO JOURNAL MENTIONED
MF61626 LIC-DB-JRN Long journal sync IASP vary on C600 4058
MF61654 LIC-OTHER-WAIT GATE WAIT WHILE COMMITTING MORE THAN 32K TRAN
Summary Information
System.............................. i
Models..............................
Release............................. V7R3M0
Licensed Program.................... 5770999
APAR Fixed.......................... View details for APAR MA45729
Superseded by:...................... View fix details for PTF MF71280
Recompile........................... N
Library............................. QSYS
MRI Feature ........................ NONE
Cum Level........................... C6299730
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Modified date:
19 September 2023