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MF57945 - LIC-DB Plan cache clear takes a long time because statistics

PTF Cover Letter


PTF ( Program Temporary Fixes ) Cover letter


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Abstract

LIC-DB Plan cache clear takes a long time because statistics


Pre/Co-Requisite PTF / Fix List

REQ  LICENSED           PTF/FIX  LEVEL

TYPE PROGRAM  RELEASE   NUMBER   MIN/MAX  OPTION
---- -------- --------- -------  -------  ------
NONE



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APAR Error Description / Circumvention

-----------------------------------------------
Plan cache clear takes a long time because statistics engine
using unnecessary storage.

CORRECTION FOR APAR MA43296 :
-----------------------------
Statistics engine is storing objects for each column stat used
during optimization, but the only ones really needed are the
stale ones, since they are used for stats advised.

CIRCUMVENTION FOR APAR MA43296 :
--------------------------------
None.


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Supersedes

PTF/FIX NO(S).  APAR TITLE LINE
--------------  ------------------------------------------------------------
     NONE

Summary Information

System..............................i
Models..............................
Release.............................V7R2M0
Licensed Program...............5770999
APAR Fixed..........................View details for APAR MA43296
Superseded by:......................
Recompile...........................N
Library.............................QSYS
MRI Feature ........................NONE
Cum Level...........................C4101720


System i Support

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Document Information

Modified date:
10 April 2014