b0fc91a1d2
* [Performance On Large clusters] Checks do update services/nodes only when really modified to avoid too many updates on very large clusters In a large cluster, when having a few thousands of nodes, the anti-entropy mechanism performs lots of changes (several per seconds) while there is no real change. This patch wants to improve this in order to increase Consul scalability when using many blocking requests on health for instance. * [Performance for large clusters] Only updates index of service if service is really modified * [Performance for large clusters] Only updates index of nodes if node is really modified * Added comments / ensure IsSame() has clear semantics * Avoid having modified boolean, return nil directly if stutures are Same * Fixed unstable unit tests TestLeader_ChangeServerID * Rewrite TestNode_IsSame() for better readability as suggested by @banks * Rename ServiceNode.IsSame() into IsSameService() + added unit tests * Do not duplicate TestStructs_ServiceNode_Conversions() and increase test coverage of IsSameService * Clearer documentation in IsSameService * Take into account ServiceProxy into ServiceNode.IsSameService() * Fixed IsSameService() with all new structures |
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README.md
Consul 
- Website: https://www.consul.io
- Chat: Gitter
- Mailing list: Google Groups
Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable.
Consul provides several key features:
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Service Discovery - Consul makes it simple for services to register themselves and to discover other services via a DNS or HTTP interface. External services such as SaaS providers can be registered as well.
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Health Checking - Health Checking enables Consul to quickly alert operators about any issues in a cluster. The integration with service discovery prevents routing traffic to unhealthy hosts and enables service level circuit breakers.
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Key/Value Storage - A flexible key/value store enables storing dynamic configuration, feature flagging, coordination, leader election and more. The simple HTTP API makes it easy to use anywhere.
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Multi-Datacenter - Consul is built to be datacenter aware, and can support any number of regions without complex configuration.
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Service Segmentation - Consul Connect enables secure service-to-service communication with automatic TLS encryption and identity-based authorization.
Consul runs on Linux, Mac OS X, FreeBSD, Solaris, and Windows. A commercial version called Consul Enterprise is also available.
Please note: We take Consul's security and our users' trust very seriously. If you believe you have found a security issue in Consul, please responsibly disclose by contacting us at security@hashicorp.com.
Quick Start
An extensive quick start is viewable on the Consul website:
https://www.consul.io/intro/getting-started/install.html
Documentation
Full, comprehensive documentation is viewable on the Consul website:
Contributing
Thank you for your interest in contributing! Please refer to CONTRIBUTING.md for guidance.