Hasso-Plattner-Institut
Prof. Dr. Tilmann Rabl
  
 

Publications

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Publications of the years 2020, 2019, 2018, 20172016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007

Materialized Views in Cassandra

Rabl, Tilmann; Jacobsen, Hans-Arno in Proceedings of 24th Annual International Conference on Computer Science and Software Engineering, CASCON 2014, Markham, Ontario, Canada, 3-5 November, 2014 Seite 351-354 . 2014 .

Many web companies deal with enormous data sizes and request rates beyond the capabilities of traditional database systems. This has led to the development of modern Big Data Platforms (BDPs). BDPs handle large amounts of data and activity through massively distributed infrastructures. To achieve performance and availability at Internet scale, BDPs restrict querying capability, and provide weaker consistency guarantees than traditional ACID transactions. The reduced functionality as found in key-value stores is sufficient for many web applications. An important requirement of many big data systems is an online view of the current status of the data and activity. Typical big data systems such as key-value stores only allow a key-based access. In order to enable more complex querying mechanisms, while satisfying necessary latencies materialized views are employed. The efficiency of the maintenance of these views is a key factor of the usability of the system. Expensive operations such as full table scans are impractical for small, frequent modifications on Internet-scale data sets. In this paper, we present an efficient implementation of materialized views in key-value stores that enables complex query processing and is tailored for efficient maintenance.
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