Because of breakdowns in the productive system realistic performance tests for a Postgres database have to be performed. Anonymized productive data are used for stress tests with distributed clients,
Supplement
An existing tool in Visual C++ is supplemented, so that access is possible from different PC's to the Postgres data base. The tool creates log files which are processed from different clients und produce a higher workload. A server and a client application were developed to distribute the data base accesses on multiple PC's using distributed Ruby objects. The results of measurement are communicated to the server.