TierFleet Products TierFleet products are offered in turnkey form factors also known as thin server appliances. They are offered as single or dual rack mountable units. The thin server appliances are low cost bundled models that run on standard off-the-shelf server hardware and standard Linux server OS. The user-friendly management tool is used to setup the QueryMaster servers and control the interaction with the back-end database servers. TierFleet QueryMaster PG1000 and PG2000 product lines are the first in the family and have been certified for PostgreSQL database. While PG1000 product is a single server model, PG2000 product is a clustered server remaining operational independent of the failure of any components of the two servers. The PG2000 servers allow for online replacement of any faulty component or any of the two QueryMaster servers while offering continuous availability. Both products are capable of dynamically adding/removing back-end database servers and coping with the related database synchronization issues while providing continuous availability. Download TierFleet QueryMaster PG1000 Series data sheet.