* sky-walking v3.0 iteration begins... The top 2 important features are: [`Update the trace-structure`](https://github.com/wu-sheng/sky-walking/issues/83) and [`Analyze trace, and bring metric/analytic/cause up`](https://github.com/wu-sheng/sky-walking/issues/84)
* See feature codes at [branch feature/3.0](https://github.com/wu-sheng/sky-walking/tree/feature/3.0)
* The new UI release on [wu-sheng/sky-walking-ui](https://github.com/wu-sheng/sky-walking-ui)
# Abstract
* An open source Large-Scale Distributed Systems Tracing Infrastructure, also known a ditributed tracer.
* Based on [Google Dapper Paper: Dapper, a Large-Scale Distributed Systems Tracing Infrastructure](http://research.google.com/pubs/pub36356.html), read [Simplified Chinese Version](http://duanple.blog.163.com/blog/static/70971767201329113141336/)
* Support popular rpc frameworks, such as [dubbo](https://github.com/alibaba/dubbo), [dubbox](https://github.com/dangdangdotcom/dubbox), [motan](https://github.com/weibocom/motan) etc., trigger email-alert when application occurs unexpected exception.
* Auto-instrumentation mechenism, **no need to CHANGE any application source code**.
* Easy to deploy, **even in product mode** (since 2.0) . No need of Hadoop, HBase, or Cassandra Cluster.
* Pure Java server implementation. provide HTTP (since 2.1) cross-platform spans collecting service.
* High performance stream process.
# Supported components
### web containers
* Tomcat 7
* Tomcat 8
### databases
* mysql
* oracle
* h2
* easily extend to support sybase, sqlserver, jtds, db2, informix
_If you are Chinese Developer, you can join QQ Group: 392443393, and **Tagged** Sky-Walking._
* Auto-instrumentation mechanism, **no need to CHANGE any application source code**. Supported [frameworks](https://github.com/wu-sheng/sky-walking/wiki/3.0-supported-list).
* Pure Java server implementation. provide HTTP traces collecting service.
* High performance stream analysis.
* The UI released on [wu-sheng/sky-walking-ui](https://github.com/wu-sheng/sky-walking-ui)
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In October 2016, Sky Walking won `OneAPM Open Source Achievement Award`. The award appreciates sky walking for its "*contribution to popularization of APM technology*". <br/>
[OneAPM](http://www.oneapm.com/)will provide financial support for the project in 2016-2017.<br/><br/>
[OneAPM](http://www.oneapm.com/)provides financial support for the project in 2016-2017.<br/><br/>