Using queries for distributed monitoring and forensics
Proceedings of the 1st ACM SIGOPS/EuroSys European Conference on Computer Systems 2006
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Monitoring of distributed systems for management purposes is a complex task aggravated by heterogeneity and distribution of resources and tools. This paper presents a method for monitoring distributed systems by applying concepts from the field of relational databases. The user may request information form the entire network by means of simple relational queries which are automatically optimized and implemented with flexible agents. This approach solves a large class of problems, adapts well to changes in the network, is not dependent on a central site and presents a usable example of flexible agent technology. The approach is illustrated by means of examples in service and systems management.