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MF58811 - LIC-DB-OTHER-INCORROUT SYSTEM CRASH DURING NORMAL OPERATIONS

PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-DB-OTHER-INCORROUT SYSTEM CRASH DURING NORMAL OPERATIONS


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
PRE  5770999  V7R2M0    MF57839   00/00    0000
CO   5770999  V7R2M0    MF58812   00/00    0000
CO   5770999  V7R2M0    MF58634   00/00    0000
CO   5770999  V7R2M0    MF58633   00/00    0000
CO   5770999  V7R2M0    MF58632   00/00    0000
CO   5770999  V7R2M0    MF58151   00/00    0000
CO   5770999  V7R2M0    MF57705   00/00    0000
DIST 5770SS1  V7R2M0    SI53245   00/00    0000



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APAR Error Description / Circumvention

-----------------------------------------------
Client system crashed twice during normal operations both were
word 1 B6005121 additional words were different. The two crashes
were both related to heap allocation. After investigation it was
found to be related to the combination of a query with UNNEST
and DBMON is active. Odds of having a problem get higher when
the array name is longer then 16 bytes.

CORRECTION FOR APAR MA43824 :
-----------------------------
PTF will ensure that heap allocations associated with UNNEST are
managed properly, especially while DBMON is active.

CIRCUMVENTION FOR APAR MA43824 :
--------------------------------
None.


DESCRIPTION OF PROBLEM FIXED FOR APAR MA43859 :
-----------------------------------------------
The SQL optimizer built a poor performing plan while
implementing SMP.

CORRECTION FOR APAR MA43859 :
-----------------------------
In certain situations, the temp result sets used to implement
SMP takes too long to populate and the query performance
suffers. The SQL optimizer will be adjusted to implement SMP
differently in these situations

CIRCUMVENTION FOR APAR MA43859 :
--------------------------------
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
--------------  ------------------------------------------------------------
   MF58794      OSP-UNPRED RPG PROGRAM WITH EMBEDDED SQL RETURNS NO RESULT S
   MF58635      LIC-DB-OTHER Internal maintenance
   MF58577      OSP-DB-OTHER-F/ASSERT-T/QQQOOODBOP-MSGMCH3203 SQL SELECT STA
   MF58538      LIC-DB-OTHER Internal Maintenance
   MF58536      OSP-DB-OTHER-INCORROUT DIFFERENCES BETWEEN CCSID 65535 AND 5
   MF58334      OSP-DB-OTHER-F/QDBIOERRQO-T/QSQRUN2-MSGCPF503E MSGSQL0502-F/
   MF58194      LIC-DB-MSGMCH3203 Update query with RCAC
   MF58150      LIC-DB Internal Maintenance
   MF58141      OSP-DB-OTHER-F/QQQOOODBOP-T/QQQOOOINV-MSGMCH3203 QUERIES FAI
   MF58141      LIC-DB-OTHER-PERFM DELETE STATEMENT WITH NOT IN PREDICATE IS
   MF58133      LIC-DB-MSGMCH3203 Delete from a Partitioned Table
   MF58092      LIC-DB Internal Maintenance
   MF57849      LIC-DB Internal Maintenance
   MF57804      LIC-DB Internal Maintenance
   MF57777      LIC-DB Internal Maintenance
   MF57702      LIC-DB-MSGMCH3203 Grouping Sets
   MF57623      LIC-DB Internal Maintenance

Summary Information

System.............................. i
Models..............................
Release............................. V7R2M0
Licensed Program............... 5770999
APAR Fixed.......................... View details for APAR MA43824
View details for APAR MA43859
Superseded by:...................... View fix details for PTF MF66229
Recompile........................... N
Library............................. QSYS
MRI Feature ........................ NONE
Cum Level........................... C4276720


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Document information

More support for: i family

Software version: V7R2M0

Operating system(s): OS/400

Reference #: MF58811

Modified date: 30 July 2014