https://github.com/OpenHFT/Chronicle-Map

Replicate your Key Value Store across your network, with consistency, persistance and performance.
https://github.com/OpenHFT/Chronicle-Map

Last synced: 5 days ago
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Replicate your Key Value Store across your network, with consistency, persistance and performance.

• Host: GitHub
• URL: https://github.com/OpenHFT/Chronicle-Map
• Owner: OpenHFT
• License: apache-2.0
• Created: 2014-07-18T15:33:57.000Z (over 10 years ago)
• Default Branch: ea
• Last Pushed: 2024-10-25T12:43:29.000Z (10 days ago)
• Last Synced: 2024-10-29T15:05:01.615Z (6 days ago)
• Language: Java
• Homepage: http://chronicle.software/products/chronicle-map/
• Size: 53.3 MB
• Stars: 2,783
• Watchers: 165
• Forks: 471
• Open Issues: 14
• Metadata Files:
  • Readme: ReadMe.adoc
  • License: LICENSE

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README

        
= Chronicle Map

Chronicle Software

:css-signature: demo

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image:https://javadoc.io/badge2/net.openhft/chronicle-map/javadoc.svg[link="https://www.javadoc.io/doc/net.openhft/chronicle-map/latest/index.html"]

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image:https://img.shields.io/github/license/OpenHFT/Chronicle-Map[GitHub]

image:https://img.shields.io/badge/release%20notes-subscribe-brightgreen[link="https://chronicle.software/release-notes/"]

image:https://sonarcloud.io/api/project_badges/measure?project=OpenHFT_Chronicle-Map&metric=alert_status[link="https://sonarcloud.io/dashboard?id=OpenHFT_Chronicle-Map"]

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toc::[]

== About

Chronicle Map is a super-fast, in-memory, non-blocking, key-value store, designed for low-latency, and/or multi-process

applications such as trading and financial market applications.

See <> for more information.

The size of a Chronicle Map is not limited by memory (RAM), but rather by the available disk capacity.

.Overview

image::docs\images\Image1_.png[750,650]

=== Use cases

Chronicle Map is used in production around the

world for:

• **real-time trading systems**. Chronicle Map

provides in-memory access speeds, and supports

ultra-low garbage collection. Chronicle Map can support the most demanding of applications.

• **highly concurrent systems**. Chronicle Map

supports multiple readers and writers,

distributed across multiple machines.

=== Why use Chronicle Map?

Chronicle Map is:

• **fast**. Millions of operations per second, with

low and stable microsecond latencies for reads and writes. Write queries scale well up

to the number of hardware execution threads in the server. Read queries never block each

other.

• **reliable**. Chronicle Software have a “chaos

monkey” test which verifies Chronicle Map

multi-master replication in the face of node

and network failures. The map can optionally be persisted to disk.

• **in production** at banks and hedge funds,

globally.

• **built using lessons learnt** from real-world

experience solving real-world problems.

• **open source** (standard version), and in use at

hundreds of sites around the world.

=== Our offering

Chronicle Software provides full support for

Chronicle Map, consulting to help you make

best use of the product, and can also deliver

projects using a mix of our resources and

your own.

=== Replication

See <> for more information.

'''

== Documentation

The Chronicle Map documentation comprises:

.Documentation

|===

|**Document**|**Purpose**

|<>

|Features description.

|<>

|Replication explanation.

|<>

|Tutorial.

|<>

|Frequently asked questions.

|<>

|Downloading the software.

|<>

|Updates from Chronicle Map version 2.

|<>

|Compatibility and Versioning description.

|===

Linked documentation is contained in the `docs` folder.

== Chronicle Software Release Notes

https://chronicle.software/release-notes[Leave your e-mail] to get information about the latest releases and patches to stay up-to-date.