分布式計算系統,Onyx 0.8.4 發布
Onyx 0.8.4 發布,此版本更新內容:
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重大改進: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
下載:https://github.com/onyx-platform/onyx/archive/0.8.4.zip
Onyx 是什么?
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Onyx 是一個無中心、支持云、容錯的分布式計算系統
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使用 Clojure 編寫
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支持批處理和流處理混合
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提供信息模型用于描述和構建分布式工作流
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競爭對手: Storm, Cascading, Map/Reduce, Dryad, Apache Sqoop, 推ter Crane 等等
用途?
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實時的事件流處理
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連續計算
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ETL
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在 MapReduce 進行數據轉換
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數據清理
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數據攝入和存儲媒介傳輸
來自: http://www.oschina.net//news/69943/onyx-0-8-4