ALPR data is managed in the Security Center by the ALPR Manager role, the ALPR Matcher role, and by the Archiver role. All the roles work in tandem. In a new Security Center system with AutoVu™ licenses, an ALPR Manager role and an Archiver role are created by default on the main server.
If the Archiver cannot store the images (for example, when the disks are full), the ALPR Manager stops storing the ALPR metadata, and the Genetec Patroller™ installations and SharpV units that are controlled by the ALPR Manager temporarily store the data locally until the problem is resolved.
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ALPR Manager:
- The ALPR metadata (reads, hits, timestamps, Patroller positions, and so on) is stored by the ALPR Manager role in a SQL Server database.
- If you have many ALPR Manager roles in your system, they can all be linked to the same Archiver role.
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ALPR Matcher:
- An ALPR Matcher role is created by default.
- The hotlists data (plate number, plate state, expiry date, effective date, and so on) are stored and managed by the ALPR Matcher role in a SQL Server database.
- An ALPR Manager can validate a read against various hotlists assigned to multiple ALPR Matcher roles.
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Archiver:
- The ALPR images (captured by context cameras, ALPR cameras, and wheel imaging cameras) associated to the reads and hits are stored in the file system by an Archiver role.
- The Archiver role follows the data retention periods configured for the ALPR Manager.