derby.storage.indexStats.trace

Function

This property allows you to enable more detailed logging of index cardinality statics than the derby.storage.indexStats.log property provides. It also allows you to specify where the tracing output should appear. Valid values are as follows:

For more information about index statistics, see "Working with cardinality statistics" in Tuning Derby.

Syntax

derby.storage.indexStats.trace=
    { off | log | stdout | both }

Default

off.

Example

-- system-wide property
derby.storage.indexStats.trace=log
-- database-level property
CALL SYSCS_UTIL.SYSCS_SET_DATABASE_PROPERTY(
    'derby.storage.indexStats.trace', 'stdout')

Dynamic or static

Static. For system-wide properties, you must reboot Derby for the change to take effect. For database-wide properties, you must reboot the database for the change to take effect.

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