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DB2 - Problem description

Problem IT07435 Status: Closed

UNNECESSARY WARNING MESSAGES WITH THROTTLECONCURRENTMERGETHREADS AND
THROTTLECONCURRENTMERGETHREADS FUNCTIONS IN BLU ENVIRONMENT

product:
DB2 FOR LUW / DB2FORLUW / A50 - DB2
Problem description:
Unnecessary warning messages with below functions that should be 
handle as information (info) and not as warning: 
 
In db2diag.log there are warnings messages below without any 
error messages in  the subsequent events: 
 
====================================================== 
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx          LEVEL: 
Warning 
PID     : 18754                TID : 140087979403008 PROC : 
db2sysc 0 
INSTANCE: xxx              NODE : 000            DB   : xxxx 
APPHDL  : 0-3057               APPID: 
142.150.183.125.50938.150211120 
AUTHID  : xxx                  HOSTNAME: xxxxx 
EDUID   : 2906                 EDUNAME: db2agntcol (WHP) 0 
FUNCTION: DB2 UDB, CDE Runtime Joins, 
JoinSpillInfo::configSpillScheme, 
probe:3474 
DATA #1 : String, 181 bytes 
BuildMem: Reserved build mem:  numThreads: 8 numBuildThreads: 8 
maxConcBuilds: 8 Engaged agents: 2 maxBuildMemBytes: 98023552 
17 
totalResTempMem: 784191488 tempKeyArrayBytes: 784188416 
DATA #2 : Function name in Library, 0 bytes 
Object not dumped: Address: 0x0000000000000000 Size: 0 Reason: 
Address 
is NULL 
DATA #3 : File name, 17 bytes 
JoinSpillInfo.cpp 
 
 
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx          LEVEL: 
Warning 
PID     : 18754                TID : 140123924588288 PROC : 
db2sysc 0 
INSTANCE: xxx               NODE : 000            DB   : xxx 
APPHDL  : 0-3057               APPID: 
142.150.183.125.50938.150211120 
AUTHID  : xxxxx              HOSTNAME: xxxxxxxx 
EDUID   : 2837                 EDUNAME: db2agntcol (WHP) 0 
FUNCTION: DB2 UDB, CDE Aggregation, 
GroupByControlBlock::throttleConcurrentMergeThreads, probe:3379 
DATA #1 : String, 156 bytes 
Thread 7 unable to reserve extra memory for global HTs. 
need  56714596 
got   31967344 
claim 11789964 
HT    11789964 
EM HT 0 
inUse 693098384Page 21 of 26 
surplus 31967344 
DATA #2 : Function name in Library, 0 bytes 
Object not dumped: Address: 0x0000000000000000 Size: 0 Reason: 
Address 
is NULL 
DATA #3 : File name, 23 bytes 
GroupByControlBlock.cpp 
 
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx          LEVEL: Warning 
PID     : 18754                TID : 140122888595200 PROC : 
db2sysc 
INSTANCE: xxxxxx               NODE : 000            DB   :xxxxx 
APPHDL  : 0-3057               APPID: 
142.150.183.125.50938.150211120 
AUTHID  : xxxxxx                  HOSTNAME: xxxxxxxxx 
EDUID   : 2899                 EDUNAME: db2agntcol (WHP) 0 
FUNCTION: DB2 UDB, CDE Aggregation, 
GroupByControlBlock::throttleConcurrentMergeThreads, probe:3379 
DATA #1 : String, 156 bytes 
Thread 1 unable to reserve extra memory for global HTs. 
need  73946064 
got   20373648 
claim 11789964 
HT    11789964 
EM HT 0 
inUse 704692080 
surplus 20373648 
DATA #2 : Function name in Library, 0 bytesPage 15 of 17 
Object not dumped: Address: 0x0000000000000000 Size: 0 Reason: 
Address 
is NULL 
DATA #3 : File name, 23 bytes 
GroupByControlBlock.cpp
Problem Summary:
**************************************************************** 
* USERS AFFECTED:                                              * 
* ALL                                                          * 
**************************************************************** 
* PROBLEM DESCRIPTION:                                         * 
* See Error Description                                        * 
**************************************************************** 
* RECOMMENDATION:                                              * 
* Upgrade to DB2 10.5 Fix Pack 7                               * 
****************************************************************
Local Fix:
The warning message can be ignored.
Solution
First Fixed in DB2 10.5 Fix Pack 7
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
02.03.2015
09.05.2017
09.05.2017
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
10.5.0.7 FixList