Do the following:
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From the command line type
SETMMXPCY
and press F4 (Prompt). -
For the Data group definition, do one of the following:
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To set the default policy for the installation, verify that the value specified for Data group definition is *INST.
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To set the policy for a specific data group, specify the full three-part name.
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Press Enter.
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You will see all the policies and their current values for the level you specified in Step 2. Use the Page Down key to locate the Access path maintenance policy.
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Do the following:
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At the Optimize for DB apply prompt, specify *ENABLED.
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At the Maximum number of jobs prompt, specify the value you want.
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To accept the changes, press Enter.
These changes are not in effect until the affected data groups are ended and restarted.