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HBase is a prominent NoSQL system used widely in the domain of big data storage and analysis. It is structured as two layers: a lower-level distributed file system (HDFS)supporting the higher-level layer responsible for data distribution, indexing, and elasticity. Layered systems have in many occasions proven to suffer from overheads due to the isolation between layers, HBase is increasingly seen...
In this paper we describe the design and implementation of ACaZoo, a key-value store that combines strong consistency with high performance and high availability. ACaZoo supports the popular column-oriented data model of Apache Cassandra and HBase. It implements strongly-consistent data replication using primary-backup atomic broadcast of a write-ahead log, which records data mutations to a Log-structured...
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