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All events that Auto PSIM receives from the LPR channel, are stored in the SQL database. Eventually, the SQL database reaches a large size, which leads to the Server CPU load increase. To limit the SQL database size, you can specify the retention period of the database records.
Note
When configuring the LPR channel, you specified the retention period of the database records that is shorter than it was before, the database will gradually clean itself.
If the Debug 4 debugging mode is enabled, then when the SQL database queue reaches 1000 or more queries, the events will be generated in the Event Viewer every 10 seconds indicating the current queue until the queue is less than 1000 (for details, see Enabling the Debug window).
To configure the database records retention period, do the following:
The database records retention period is configured.