14.3. Tuning the Number of EDUs

DB2 controls the instance-level EDUs: db2sysc, db2gds, db2fcmd, db2wdog, and the listener processes. You can control some but not all of the EDUs at the database level. For example, you can tune the number of page cleaners (db2pclnr) and prefetchers (db2pfchr) with the database configuration parameters NUM_IOCLEANERS and NUM_IOSERVERS respectively.

At the application level, you can only tune the DB2 agents. The following Database Manager Configuration parameters control the number of different types of agents,

  • MAXAGENTS indicates the maximum number of DB2 agents, both coordinator agents and subagents, available at any time.

  • MAX_CONNECTIONS controls the maximum number of concurrent connections allowed to all the ...

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