Abstract:Cassandra is a popular structured storage system with highperformance, scalability and high availability, and is usually used to store data that has some sortable attributes. When deploying and configuring Cassandra, it is important to design a suitable schema of column families for accelerating the target queries. However, one schema is only suitable for a part of queries, and leaves other queries with high latency.In this paper, we propose a new replica mechanism, called heterogeneous replica, to reduce the … Show more
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