About: Comdb2

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Comdb2 is an open source, highly available clustered RDBMS developed by Bloomberg LP, built on optimistic concurrency control techniques. It provides multiple isolation levels, including Snapshot and Serializable Isolation. Read/Write transactions run on any node, with the client library transparently negotiating connections to lowest cost (latency) node which is available. Comdb2 implements queues for publisher-to-subscriber message delivery. Queues can be combined with table triggers for time-consistent log distribution. Comdb2 architecture was described in detail in 2016 technical paper.

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dbo:abstract
  • Comdb2 is an open source, highly available clustered RDBMS developed by Bloomberg LP, built on optimistic concurrency control techniques. It provides multiple isolation levels, including Snapshot and Serializable Isolation. Read/Write transactions run on any node, with the client library transparently negotiating connections to lowest cost (latency) node which is available. Comdb2 implements queues for publisher-to-subscriber message delivery. Queues can be combined with table triggers for time-consistent log distribution. Comdb2 supports the SQLite dialect of SQL with some modifications, and embeds the Lua scripting language. Comdb2 maintains a fork of Berkeley DB to provide the key–value database backend to SQLite. Comdb2 architecture was described in detail in 2016 technical paper. (en)
dbo:genre
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  • 7.0
dbo:license
dbo:operatingSystem
dbo:programmingLanguage
dbo:releaseDate
  • 2016-01-01 (xsd:date)
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  • 65873020 (xsd:integer)
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  • 3246 (xsd:nonNegativeInteger)
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  • 1100441698 (xsd:integer)
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dbp:author
  • Combdb2 Team (en)
dbp:developer
  • Comdb2 team, and other open source component developers (en)
dbp:genre
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  • English (en)
dbp:latestReleaseVersion
  • 7 (xsd:integer)
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dbp:name
  • Comdb2 (en)
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dbp:released
  • 2016-01-01 (xsd:date)
dbp:title
  • Comdb2 (en)
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rdfs:comment
  • Comdb2 is an open source, highly available clustered RDBMS developed by Bloomberg LP, built on optimistic concurrency control techniques. It provides multiple isolation levels, including Snapshot and Serializable Isolation. Read/Write transactions run on any node, with the client library transparently negotiating connections to lowest cost (latency) node which is available. Comdb2 implements queues for publisher-to-subscriber message delivery. Queues can be combined with table triggers for time-consistent log distribution. Comdb2 architecture was described in detail in 2016 technical paper. (en)
rdfs:label
  • Comdb2 (en)
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  • Comdb2 (en)
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