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DB2 - Problem description

Problem IT04933 Status: Closed

PARTIAL EARLY AGGREGATION/DISTINCT RUNNING WITH REDUCED MEMORY INTO
DB2DIAG.LOG

product:
DB2 FOR LUW / DB2FORLUW / A10 - DB2
Problem description:
The db2diag.log can show entries like below 
 
2014-08-14-04.15.02.177154-300 I92297A659           LEVEL: 
Warning 
PID     : 41746466             TID : 15704          PROC : 
db2sysc 0 
INSTANCE: db2inst1             NODE : 000           DB   : 
SAMPLE 
APPHDL  : 0-289                APPID: 
111.123.45.67.12345.992233123456 
AUTHID  : USER1                HOSTNAME: server1234 
EDUID   : 15704                EDUNAME: db2agent (SAMPLE) 0 
FUNCTION: DB2 UDB, runtime interpreter, sqlriPEXInitHashTable, 
probe:3194 
DATA #1 : unsigned integer, 4 bytes 
4 
DATA #2 : unsigned integer, 4 bytes 
2 
DATA #3 : unsigned integer, 8 bytes 
211817 
DATA #4 : unsigned integer, 8 bytes 
476851 
DATA #5 : unsigned integer, 8 bytes 
199379 
 
2014-08-14-04.15.02.201086-300 E92957A527           LEVEL: 
Warning 
PID     : 41746466             TID : 15704          PROC : 
db2sysc 0 
INSTANCE: db2inst1             NODE : 000           DB   : 
SAMPLE 
APPHDL  : 0-289                APPID: 
111.123.45.67.12345.992233123456 
AUTHID  : USER1                HOSTNAME: server1234 
EDUID   : 15704                EDUNAME: db2agent (SAMPLE) 0 
FUNCTION: DB2 UDB, runtime interpreter, sqlriPEXInitHashTable, 
probe:3229 
MESSAGE :  . 
 
 
The above warnings are normal behaviour which indicate that db2 
could not get the ideal amount of sort memory at that point in 
time, so it decided to use a reduced amount.  Since these are 
just normal warning messages, this db2diag.log entry will be 
removed.  The information about this form of post-threshold sort 
is still available to users using the preferred monitoring 
technique of using database monitor output. 
 
For example: Using Partial early distincts threshold monitor 
element 
http://www-01.ibm.com/support/knowledgecenter/SSEPGG_10.1.0/com. 
ibm.db2.luw.admin.mon.doc/doc/r0058845.html
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 Version 10.1 Fix Pack 5                       * 
****************************************************************
Local Fix:
Solution
First fixed in DB2 Version 10.1 Fix Pack 5
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
15.10.2014
15.07.2015
15.07.2015
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
10.1.0.5 FixList