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In computing, Hazelcast is an in-memory open source software data grid based on Java. By having multiple nodes form a cluster, data is evenly distributed among the nodes. This allows for horizontal scaling 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 include:

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

In 2012 Gartner selected the company named Hazelcast as a "Cool Vendor",[4] and in 2013 received VC funding from Bain Capital.[5] In January 2014 Greg Luck (original developer of Ehcache) joined Hazelcast as CTO, having been at Software AG's Terracotta, Inc.[6]

In September 2014, Hazelcast raised a Series B round of venture capital financing, lead by Earlybird Venture Capital.[7]

See also[edit]


  1. ^ Hazelcast. "Memcache Client". Retrieved 2013-12-24. 
  2. ^ Jaehong Kim. "Understanding Vert.x Architecture - Part II". CUBRID. Retrieved 2012-12-16. 
  3. ^ Christoph Engelbert (2013-12-04). "Hazelcast MapReduce Avg Example". Retrieved 2013-12-24. 
  4. ^ by hazelcast (2012-05-04). "Gartner Selected Hazelcast as a "Cool Vendor" | Hazelcast Blog". Blog.hazelcast.com. Retrieved 2013-12-11. 
  5. ^ "Java In-Memory Grid Hazelcast gets venture capital funding from Bain Capital". Infoq.com. 2013-09-18. Retrieved 2013-12-11. 
  6. ^ "Greg Luck announced as new Hazelcast CTO". jaxenter. 2014-01-20. Retrieved 2014-01-21. 
  7. ^ "Hazelcast adds $11M to grow its business based on an open-source in-memory data grid". 

External links[edit]