Computer monitoring service which tracks application software performance, performs periodic maintenance and provides reports and alerts concerning such performance; Software as a service (SAAS) services featuring software for collecting, monitoring, analyzing and managing data generated by software applications and computing infrastructure, for indexing, searching and monitoring client's application trace data and other similar data collected from software, hardware, websites or network devices, for providing operational intelligence, business analytics, security information, troubleshooting, and monitoring of applications and computing infrastructure based on client data, and for reporting on application and computing infrastructure performance and errors with infrastructure metrics and alerts