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MF65578 - OSP-DB-OTHER-THREADS-F/QSQEVENT-T/QQQOOOUPCL-RC1-MSGSQL0952

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


Order this fix

Abstract

OSP-DB-OTHER-THREADS-F/QSQEVENT-T/QQQOOOUPCL-RC1-MSGSQL0952


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
CO   5770999  V7R2M0    MF65178   00/00    0000
CO   5770999  V7R2M0    MF64628   00/00    0000
CO   5770999  V7R2M0    MF64629   00/00    0000
CO   5770999  V7R2M0    MF64630   00/00    0000
CO   5770999  V7R2M0    MF64073   00/00    0000
CO   5770999  V7R2M0    MF64074   00/00    0000
CO   5770999  V7R2M0    MF64075   00/00    0000
CO   5770999  V7R2M0    MF63215   00/00    0000
CO   5770999  V7R2M0    MF63413   00/00    0000
CO   5770999  V7R2M0    MF62011   00/00    0000
CO   5770999  V7R2M0    MF60732   00/00    0000
CO   5770999  V7R2M0    MF59838   00/00    0000
CO   5770999  V7R2M0    MF59839   00/00    0000
CO   5770999  V7R2M0    MF57842   00/00    0000
CO   5770999  V7R2M0    MF57843   00/00    0000
CO   5770999  V7R2M0    MF59855   00/00    0000
CO   5770999  V7R2M0    MF59857   00/00    0000
CO   5770999  V7R2M0    MF59858   00/00    0000
CO   5770999  V7R2M0    MF58822   00/00    0000
DIST 5770SS1  V7R2M0    SI56209   00/00    0000



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.

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REGARDING THE PTF.





APAR Error Description / Circumvention

-----------------------------------------------
SQLCancel appears to have kicked in right during the up-call to
XPF for child thread creation.
A method is being called in SLIC that went for thread
serialization mutex (DbpmMutex) that had already been made
eligible for transfer to child threads.
In that state, the DbpmMutex appears held, but not by the
requesting thread, so it blocked as opposed to being rejected.

CORRECTION FOR APAR MA47403 :
-----------------------------
Events and signals are now masked to avoid a cancellation from
being processed when threads are being created to avoid the
potential hang condition.  After thread creation, events and
signals will be processed normally.

CIRCUMVENTION FOR APAR MA47403 :
--------------------------------
None.


Activation Instructions


None.




Special Instructions


********************************************************************
THE FOLLOWING ARE SUPERSEDED SPECIAL INSTRUCTIONS. IF THE SUPERSEDED
PTF HAS ALREADY BEEN APPLIED AND ITS SPECIAL INSTRUCTION FOLLOWED,
IT IS NOT NECESSARY TO FOLLOW THAT SPECIAL INSTRUCTION AGAIN.
********************************************************************

SPECIAL INSTRUCTIONS FOR SUPERSEDED PTF MF65166 :
=================================================

This PTF may not resolve issues with indexes or maintained temporary
indexes (MTI) that existed prior to application.  An IPL is required to
ensure complete resolution.


Default Instructions

THIS PTF CAN BE APPLIED IMMEDIATE OR DELAYED.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   MF65411      LIC-DB-OTHER-PERFM Reduce system overhead when rapidly creat
   MF65383      SQL-RUN-THREADS-WAIT JOB WAS IN A STACK WAITING FOR A FIELD
   MF65179      OSP-DB-OTHER-MSGCPF32F9 WHEN VARYING ON IASP
   MF65166      OSP-DB VL0A004FFF VL0600DEAD VL0600BADD VL02001720 WHEN OPTI
   MF64902      LIC-DB-OTHER-PERFM Attempt to reduce segment extensions and
   MF64639      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF64627      OSP-DB-OTHER-UNPRED SQE CHANGED TO HOLD JOBS WHEN QUERY RELA
   MF64409      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF64274      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF64241      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF64072      LIC-DB-PERFM Database Monitor 3010 record
   MF63126      OSP-UNPRED VL0600BADA VL0600BADD VLOGS CAUSING CORRUPTION
   MF58424      LIC-DB-PERFM not using ICU index
   MF64022      LIC-DB-OTHER-PERFM Attempt to reduce segment extensions and
   MF63214      LIC-DB-OTHER-PERFM Attempt to reduce segment extensions and
   MF59853      LIC-DB-UNPRED Ensure order of partitions in partitioned tabl
   MF58821      LIC-DB-OTHER-PERFM SLOW PARTITION DUE TO CONCURRENT IDENTICA
   MF58821      LIC-DB-OTHER-PERFM SLOW PARTITION DUE TO CONCURRENT IDENTICA
   MF58520      OSP-DB SOME FUNCTIONS IN VISUAL EXPLAIN MAY FAIL IF AN INDEX
   MF58483      OSP-DB-Other Enable additional Plan Cache Properties and opt
   MF63705      LIC-DB-OTHER-F/DBPMTRAP-T/QDBPUT-RC0-MSGMCH3203 Insert/Write
   MF63508      LIC-DB-OTHER-PERFM Estimated I/O cost may be computed as 0 r
   MF63415      OSP-DB-OTHER-MSGCPI0999 XMLAGG QUERIES MAY RESULT IN LARGE A
   MF62333      OSP-UNPRED THIS IS TO GET THE WORKLOAD THE DBPMSERVER TASKS
   MF61909      OSP-UNPRED THIS IS TO GET THE WORKLOAD THE DBPMSERVER TASKS
   MF62133      LIC-DB-OTHER-PERFM Normal vary on of independant ASP may tak
   MF62002      OSP-DB-OTHER-UNPRED TEMPORARY STORAGE MAY OCCASIONALLY BE OR
   MF59320      LIC-DB-OTHER-WAIT An insert or update to a table with a comp
   MF59107      LIC-DB-OTHER-PERFM Performance improvements for SQE EVI Acce
   MF61705      LIC-DB-OTHER-PERFM DBPMSERVER TASK CAUSING CONTENTION DUE TO
   MF61648      IPL-SRCC9002A85-WAIT SYSTEM ASP WAS AT 99.6%. SYSTEM IPL POS
   MF60773      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF60729      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF60001      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF59835      LIC-DB-OTHER-UNPRED Enable logging of page header mismatch f
   MF59626      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF59293      LIC-DB-OTHER-PERFM Existing EVI index may not be used by the
   MF58666      LIC-DB-OTHER-UNPRED 0600 DEAD LIC logs
   MF58641      LIC-DB-OTHER-PERFM Query performing a large sort in overcomm
   MF58340      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF58305      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF58111      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF58021      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF57897      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF57841      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF57658      LIC-DB-OTHER-UNPRED Internal Database Maintenance
   MF59491      LIC-DB-OTHER-PERFM Performance improvements for SQE EVI Acce

Summary Information

System..............................  i
Models..............................  
Release.............................  V7R2M0
Licensed Program....................  5770999
APAR Fixed..........................  View details for APAR MA47403
Superseded by:......................  View fix details for PTF MF70016
Recompile...........................  N
Library.............................  QSYS
MRI Feature ........................  NONE
Cum Level...........................  C9123720


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Document Information

Modified date:
17 June 2022