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Columnar Databases


AT A GLANCE Couchbase Server is an open source, distributed database engineered for scalability, performance, and availability. It’s a general purpose database that can be deployed as a document database, key-value store, and/or distributed cache. Its memory-centric, multi-threaded architecture leverages integrated caching, memory-optimized indexes, and memory-to-memory replication to provide consistent …

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Apache Kudu

Apache Kudo

AT A GLANCE A new addition to the open source Apache Hadoop ecosystem, Apache Kudu (incubating) completes Hadoop’s storage layer to enable fast analytics on fast data. Currently, a limited-functionality version of Kudu is available as a Beta. Like most modern analytic data stores, Kudu internally organizes its data by …

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Apache Parquet

AT A GLANCE Parquet is a columnar storage format available to any project in the Hadoop ecosystem, regardless of the choice of data processing framework, data model or programming language. It is built from the ground up with complex nested data structures in mind, and uses the record shredding and …

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Haeinsa is linearly scalable multi-row, multi-table transaction library for HBase. Use Haeinsa if you need strong ACID semantics on your HBase cluster. Is based on Google Perlocator concept.

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Database system inspired by publications on the design of Google’s BigTable. The project is based on experience of engineers who were solving large-scale data-intensive tasks for many years. Hypertable runs on top of a distributed file system such as the Apache Hadoop DFS, GlusterFS, or the Kosmos File System (KFS). …

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Apache Cassandra


AT A GLANCE Apache Cassandra is an open-source distributed database management system designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure. Cassandra offers robust support for clusters spanning multiple data centers, with asynchronous master-less replication allowing low latency operations …

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Apache HBase

AT A GLANCE Apache’s HBase is a columnar-oriented database management system that runs on top of Hadoop’s HDFS clustered file system. It is well-suited for sparse data sets, which are common in many big data use cases. Unlike relational database systems, HBase does not support a structured query language like …

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