Online predicate checking for distributed systems

Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network monitoring

Reexamination Certificate

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C709S201000, C709S222000

Reexamination Certificate

active

07747742

ABSTRACT:
Exemplary methods, computer-readable media, and systems describe detecting a performance bug or a nontrivial correctness in a distributed system. The techniques describe using an online predicate checker by specifying a predicate on distributed properties of the distributed system. The process describes monitoring and checking the predicate when the system is deployed and providing a service. In response to detection of the performance bug, the process describes performing modifications of the predicate or installing new predicate.

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