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CM Enterprise replication note added
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= Chronicle Map
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Chronicle Map is a super-fast, in-memory, key-value store, designed for low-latency, and/or multi-process applications such as trading and financial market applications.
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=======
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Chronicle Map is a super-fast, in-memory, non-blocking, key-value store, designed for low-latency, and/or multi-process
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applications such as trading and financial market applications.
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See <<docs/CM_Features.adoc#,Features doc>> for more information.
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>>>>>>> origin/doco_refresh
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The size of a Chronicle Map is not limited by memory (RAM), but rather by the available disk capacity.
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image::docs\images\CM_Overview.jpg[]
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== Prerequisites
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To run Chronicle Map, please ensure you have first installed:
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* Java (1.8.0_91 or later)
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* Apache Maven (3.2.3 or later)
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=======
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>>>>>>> origin/doco_refresh
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=== Use cases
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Chronicle Map is used in production around the
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world for:
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Chronicle Map is:
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• **fast**. Millions of operations per second, with
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<<<<<<< HEAD
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low and stable microsecond latencies.
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• **reliable**. Chronicle Software have a “chaos
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monkey” test which verifies Chronicle Map
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multi-master replication in the face of node
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and network failures.
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=======
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low and stable microsecond latencies for reads and writes. Write queries scale well up
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to the number of hardware execution threads in the server. Read queries never block each
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other.
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monkey” test which verifies Chronicle Map
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multi-master replication in the face of node
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and network failures. The map can optionally be persisted to disk.
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>>>>>>> origin/doco_refresh
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• **in production** at banks and hedge funds,
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globally.
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• **built using lessons learnt** from real-world
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=== Replication Environment Example
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The following diagram shows an example of Chronicle Map replication over three servers (or sites).
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<<<<<<< HEAD
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=======
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Chronicle Map Replication is part of Chronicle Map (Enterprise Edition); a commercially supported
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version of our successful open source Chronicle Map.
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>>>>>>> origin/doco_refresh
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image::docs\images\Configure_Three_Way_Replication.png[]
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