Cache Topologies Comparison Table

Added by Gilad David Maayan, last edited by Aleia Hutcherson on May 26, 2008  (view change)
  GigaSpaces 5.X

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Summary: A table comparing main supported topologies with different features provided.

Overview

The following table compares the main topologies with the different features provided.

  • JVMs – number of JVMs
  • DataSize – total size of cached data (measured without redundancy)
  • Central – Remote space without client side cache
  • Stand Alone – Embedded space, none clustered.
Topology Feature Stand Alone Replicated space Sync Replicated space Async Partitioned space Master-Local Cache Central Cache
Cache location Embedded Embedded/remote Embedded/remote Embedded/remote Remote+ embedded Remote
Fault tolerance No Yes Yes Yes Yes Yes
Persistent Yes Yes Yes Yes Yes (only the master cache) Yes
Buffered replication n/a No Yes Yes – To backup Yes – via notifications from Amster to local Yes – To backup
Transmission protocol None – No remote calls Replication done via unicast/multicast Replication done via unicast/multicast Replication done via unicast/multicast to backup Access to remote cache done via Unicast Access to remote cache done via Unicast
Transaction Support Yes Yes Yes Yes Yes Yes
API JavaSpaces, Map, JDBC, JMS JavaSpaces, Map, JDBC, JMS JavaSpaces, Map, JDBC, JMS JavaSpaces, Map, JDBC, JMS JavaSpaces, Map, JDBC, JMS JavaSpaces, Map, JDBC, JMS
Programming language Java, C#, C++ Java, C#, C++ Java, C#, C++ Java, C#, C++ Java, C#, C++ Java, C#, C++
Data Indexed Yes Yes Yes Yes Yes Yes
Eviction Policies All In cacheLRU All In cacheLRU All In cacheLRU All In cacheLRU Master: All In cacheLRULocal in Light Mode:FIFO, LFULRU, Size,NoneLocal in Standard Mode: All In cacheLRU All In cache LRU
Memory usage – per JVM DataSize DataSize DataSize DataSize * total partitions local cache – Base on eviction policy Master Cache – DataSize DataSize
Memory usage – Total DataSize # JVMs x DataSize # JVMs x DataSize # JVMs x DataSize DataSize + Sum (local cache data set size) DataSize
Coherency Fully coherent Fully coherent Fully coherent Fully coherent Fully coherent Fully coherent
Fits for Database caching Yes Yes Yes Yes Yes Yes
Pessimistic Locking support Yes Yes Yes Yes Yes Yes
Leasing (data expiration) support Yes Yes Yes Yes Yes Yes
Optimistic Locking support Yes Yes Yes Yes Yes Yes
Typical usage Non-distributed applications Master/Worker J2EE clustered environments session replication P2P configurations Non-clustered J2EE applications Portals Heterogeneous environments HTTP Session Sharing Portals Heterogeneous environments HTTP Session Sharing Master/Worker large amount data caching
For performance comparison refer to: http://www.gigaspaces.com/os_benchmarks.html

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