Understanding the Causes of Consistency Anomalies in Apache Cassandra

  title={Understanding the Causes of Consistency Anomalies in Apache Cassandra},
  author={Hua Fan and Aditya Ramaraju and Marlon McKenzie and Wojciech M. Golab and Bernard Wong},
A recent paper on benchmarking eventual consistency showed that when a constant workload is applied against Cassandra, the staleness of values returned by read operations exhibits interesting but unexplained variations when plotted against time. In this paper we reproduce this phenomenon and investigate in greater depth the low-level mechanisms that give rise to stale reads. We show that the staleness spikes exhibited by Cassandra are strongly correlated with garbage collection, particularly… CONTINUE READING


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