Onyx 0.8.4 发布，此版本更新内容： 重大改进：Changed the signature of trigger sync function. New feature: Added support for handling lifecycle exceptions with :lifecycle/handle-exception New feature: Added the Colocation Task scheduler Bug fix: Fixed a bug where :flow/from -> :all didn't match compilation step. #464 Bug fix: Fixed an issue where peers didn't restart properly on failure under certain conditions Enhancement: Switched to 3rd party scheduling library - BtrPlace. Enhancement: Added parameters for BookKeeper disk threshold error and warnings Dependency change: Upgraded uk.co.real-logic/aeron-all to 0.2.3 下载：https://github.com/onyx-platform/onyx/archive/0.8.4.zip Onyx 是什么？ Onyx 是一个无中心、支持云、容错的分布式计算系统 使用 Clojure 编写 支持批处理和流处理混合 提供信息模型用于描述和构建分布式工作流 竞争对手： Storm, Cascading, Map/Reduce, Dryad, Apache Sqoop, Twitter Crane 等等 用途？ 实时的事件流处理 连续计算 ETL 在 MapReduce 进行数据转换 数据清理 数据摄入和存储媒介传输 Onyx 0.8.4 发布，分布式计算系统下载地址
