Abstract
Distributed stream processing engines (DSPEs) have recently been studied to meet the needs of continuous query processing. Because they are built on the cooperation of several stream processing engines (SPEs), node failures cause the whole system to fail. This paper proposes a new high-availability scheme called Adaptive Semi-Active Standby (A-SAS). A-SAS enables adaptive tradeoff between bandwidth usage and recovery time. This paper presents the properties of A-SAS and experimental results that suggest A-SAS effectiveness.
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