Hazelcast

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In computing, Hazelcast is an in-memory Open Source data grid based on Java. By having multiple nodes form a cluster, data is evenly distributed among the nodes. This allows for horizontal scalability both in terms of available storage space and processing power. Backups are also distributed in a similar fashion to other nodes, based on configuration, thereby protecting against single node failure.

Typical use-cases for Hazelcast:

  • Cache frequently accessed data in-memory, often in front of a database
  • Store temporal data like web sessions
  • In-memory data processing/analytics
  • Memcached alternative with protocol compatible interface[1]
  • Cross-JVM communication/shared storage

Hazelcast is comparable to the Oracle Coherence solution,[2][3] providing a similar set of APIs and functionality. Independent testing has also shown it to have similar or better performance characteristics.[4]

Hazelcast is often used as an underlying library or system onto which other higher level features are built, with examples like:

  • TITAN where testing has shown performance surpassing for example Apache Cassandra for persistance storage.[5]
  • Vert.x utilizes it for shared storage[6]
  • Underlying MapReduce framework/executor[7]

In 2012 Gartner selected the company named Hazelcast as a "Cool Vendor",[8] and in 2013 received VC funding from Bain Capital.[9] January 2014, Greg Luck (original developer of Ehcache) joined Hazelcast as CTO, previously having been at Software AG's Terracotta, Inc.[10]

See also

References

  1. ↑ Hazelcast. "Memcache Client". Retrieved 2013-12-24. 
  2. ↑ Talip Ozturk (2010-05-02). "open source alternatives to oracle coherence?". Retrieved 2013-12-24. 
  3. ↑ Dmitri Babaev (2012-12-24). "Distributed Systems: How does Hazelcast compare to its alternative?". Retrieved 2013-12-24. 
  4. ↑ Raj Subramani (2012-11-20). "Comparing NoSQL Data Stores". quantschool. Retrieved 2012-12-16. 
  5. ↑ Matt Pouttu-Clarke (2012-12-12). "Titan: Cassandra vs. Hazelcast persistence benchmark". http://mpouttuclarke.wordpress.com/. Retrieved 2012-12-16. 
  6. ↑ Jaehong Kim. "Understanding Vert.x Architecture - Part II". CUBRID. Retrieved 2012-12-16. 
  7. ↑ Christoph Engelbert (2013-12-04). "Hazelcast MapReduce Avg Example". Retrieved 2013-12-24. 
  8. ↑ by hazelcast (2012-05-04). "Gartner Selected Hazelcast as a "Cool Vendor" | Hazelcast Blog". Blog.hazelcast.com. Retrieved 2013-12-11. 
  9. ↑ "Java In-Memory Grid Hazelcast gets venture capital funding from Bain Capital". Infoq.com. 2013-09-18. Retrieved 2013-12-11. 
  10. ↑ "Greg Luck announced as new Hazelcast CTO". jaxenter. 2014-01-20. Retrieved 2014-01-21. 

External links

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