The query compiler schedules a job that updates the statistics in a separate thread.
The thread that updates the statistics in the background may affect the performance of the user threads. If this causes problems, you can set derby.storage.indexStats.auto to false.
To diagnose problems with automatic updating of index statistics, an
application can set the property
For more information about index statistics, see "Working with cardinality
statistics" in
True.
Static. For system-wide properties, you must reboot