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MF69450 - LIC-DB-OTHER-PERFM Excessive gate waits during index key ran

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PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-DB-OTHER-PERFM Excessive gate waits during index key ran


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
PRE  5770999  V7R3M0    MF65887   00/00    0000
PRE  5770999  V7R3M0    MF64443   00/00    0000



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APAR Error Description / Circumvention

-----------------------------------------------
In some cases, database index updates may spend an excessive
amount of time waiting on an internal gate while key range
estimates are running concurrently against the index.

CORRECTION FOR APAR MA49290 :
-----------------------------
Improved concurrency between index updates and key range
estimates in these cases.

CIRCUMVENTION FOR APAR MA49290 :
--------------------------------
None.


Activation Instructions


None.




Special Instructions


None.


Default Instructions

THIS IS A DELAYED PTF TO BE APPLIED AT IPL TIME.



Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
   MF60955      LIC-DB-PERFM Support for index key range estimate improvemen
   MF65889      LIC-DB-PERF POWER9 Support for index lookup perf improvement
   MF64742      LIC Improve index performance when writing changes
   MF65365      LIC-DB INDEX SIZE INCREASES AFTER FREQUENT IPLS
   MF64169      LIC-DB-OTHER-PERFM Index prepaging performance improvement
   MF63795      LIC-OTHER-MSGCPF8122 Library damaged when storage limit is r
   MF61078      LIC-OTHER-PERFM Long disk waits when index first used after
   MF62758      LIC-DB-OTHER-PERFM Improve performance during final phase of

Summary Information

System..............................  i
Models..............................  
Release.............................  V7R3M0
Licensed Program....................  5770999
APAR Fixed..........................  View details for APAR MA49290
Superseded by:......................  
Recompile...........................  N
Library.............................  QSYS
MRI Feature ........................  NONE
Cum Level...........................  C2132730


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Document Information

Modified date:
24 May 2022