分布式计算系统,Onyx 0.8.4 发布
Onyx 0.8.4 发布,此版本更新内容:
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重大改进:Changed the signature of trigger sync function.
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New feature: Added support for handling lifecycle exceptions with:lifecycle/handle-exception
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New feature: Added the Colocation Task scheduler
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Bug fix: Fixed a bug where:flow/from->:alldidn't match compilation step. #464
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Bug fix: Fixed an issue where peers didn't restart properly on failure under certain conditions
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Enhancement: Switched to 3rd party scheduling library - BtrPlace.
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Enhancement: Added parameters for BookKeeper disk threshold error and warnings
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Dependency change: Upgradeduk.co.real-logic/aeron-allto0.2.3
下载:https://github.com/onyx-platform/onyx/archive/0.8.4.zip
Onyx 是什么?
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Onyx 是一个无中心、支持云、容错的分布式计算系统
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使用 Clojure 编写
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支持批处理和流处理混合
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提供信息模型用于描述和构建分布式工作流
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竞争对手: Storm, Cascading, Map/Reduce, Dryad, Apache Sqoop, 推ter Crane 等等
用途?
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实时的事件流处理
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连续计算
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ETL
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在 MapReduce 进行数据转换
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数据清理
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数据摄入和存储媒介传输