Warning message "Partial Early Aggregation/Distinct running with reduced memory"
Warning message "Partial Early Aggregation/Distinct running with reduced memory"
https://www.ibm.com/support/pages/warning-message-partial-early-aggregationdistinct-running-reduced-memory
Troubleshooting
Problem
Warning message "Partial Early Aggregation/Distinct running with reduced memory" in the db2diag.log may indicate sortheap tuning is needed.
Symptom
You may notice these Warning messages in the db2diag.log regarding "Partial Early Aggregation/Distinct running with reduced memory":
2014-06-16-11.04.29.175092-300 E64797A532 LEVEL: Warning
PID : 4784854 TID : 136035 PROC : db2sysc 0
INSTANCE: inst NODE : 000 DB : mydb
APPHDL : 0-25676 APPID: myappid
EDUID : 136035 EDUNAME: db2agent
FUNCTION: DB2 UDB, runtime interpreter, sqlriPEXInitHashTable,
probe:3229
MESSAGE : Partial Early Aggregation/Distinct running with reduced memory
.
Resolving The Problem
Increase your sortheap setting as required.
To adjust SORTHEAP setting:
1. db2 connect to dbname
2. db2 update db cfg using SORTHEAP <higher value>
(changes are dynamically applied)
For more information about recommended SORTHEAP setting:
http://www-01.ibm.com/support/knowledgecenter/SSEPGG_10.1.0/com.ibm.db2.luw.admin.config.doc/doc/r0000259.html
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