Get started with Apache Flink, the open source framework that enables you to process streaming data—such as user interactions, sensor data, and machine logs—as it arrives. With this practical guide, you’ll learn how to use Apache Flink’s stream processing APIs to implement, continuously run, and maintain real-world applications.Authors Fabian Hueske, one of Flink’s creators, and Vasia Kalavri, a core contributor to Flink’s graph processing API (Gelly), explains the fundamental concepts of parallel stream processing and shows you how streaming analytics differs from traditional batch data analysis. Software engineers, data engineers, and system administrators will learn the basics of Flink’s DataStream API, including the structure and components of a common Flink streaming application.Solve real-world problems with Apache Flink’s DataStream APISet up an environment for developing stream processing applications for FlinkDesign streaming applications and migrate periodic batch workloads to continuous streaming workloadsLearn about windowed operations that process groups of recordsIngest data streams into a DataStream application and emit a result stream into different storage systemsImplement stateful and custom operators common in stream processing applicationsOperate, maintain, and update continuously running Flink streaming applicationsExplore several deployment options, including the setup of highly available installations
About the Author
Fabian Hueske is involved with Apache Flink since its very beginnings in 2009 as a research project called Stratosphere at TU Berlin. He is one of the three initial authors of the system and worked on it as part of his PhD research. Fabian is one of the initial committers and a PMC member of Apache Flink. He is a co-founder of data Artisans, a Berlin-based start-up devoted to foster Flink, where he works as a software engineer and contributes to Apache Flink. Fabian wrote several well-received blog posts about Flink and its internals (published at the Apache Flink blog http://flink.apache.org/blog, data Artisans’ blog http://data-artisans.com/blog, MapR blog, and Elastic blog).Vasiliki Kalavri is a PhD student at KTH, Stockholm, and UCL, Belgium, and an EMJD-DC fellow. She does research in distributed data processing and large-scale graph analysis.She is a committer and PMC member of Apache Flink, focusing her efforts on its graph processing library and API, Gelly.
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從章節的邏輯組織來看,作者顯然是經過深思熟慮的,構建瞭一條非常順暢的學習路徑。它從基礎概念的引入開始,逐步過渡到更復雜的窗口操作和集成模式,最後纔觸及到運維和性能監控的高級主題。這種螺鏇上升的結構,非常適閤不同經驗水平的讀者。對於初次接觸流處理的新手,它提供瞭一個堅實的起點,避免瞭被海量信息淹沒的恐慌;而對於資深開發者,後續章節中對高級特性的深入挖掘和性能瓶頸的分析,又提供瞭足夠的挑戰和收獲。整體閱讀下來,感覺知識的積纍是循序漸進且牢固的,沒有齣現哪個知識點突兀地跳躍或銜接不上的情況。
评分這本書在麵嚮生産環境的應用和運維方麵的內容,可以說是做到瞭超乎預期地詳盡。很多技術書籍往往在部署和監控環節草草收場,但這本書卻用瞭大量的篇幅來探討如何構建一個高可用、可觀測的流處理係統。從日誌記錄的最佳實踐到指標的定製化采集,再到集成到主流的監控棧(比如Prometheus/Grafana)的詳細步驟,都給齣瞭非常具體的操作指導。這錶明作者不僅是熟悉技術本身,更是深諳在真實世界中維護一個24/7係統所麵臨的挑戰。這種前瞻性和實踐性相結閤的敘事方式,讓這本書的價值遠超一本純粹的“How-to”指南,更像是一本“Best Practice”的寶典。
评分這本書在實際操作層麵的指導性,是我最欣賞的部分之一。它並沒有沉溺於過多的理論說教,而是非常務實地將理論與具體的代碼實踐緊密結閤。我特彆留意瞭它在不同部署模式下的配置和調優建議,比如如何根據不同的資源限製(內存、CPU、網絡帶寬)來調整Operator的並行度,以及如何利用Checkpoints和Savepoints進行高效的生産環境運維。書中提供的那些代碼示例,不是那種為瞭演示功能而堆砌的冗餘代碼塊,而是結構清晰、注釋到位、可以直接拿來作為模闆進行修改的實用案例,這極大地加速瞭我將所學知識投入到實際項目中去的進程,感覺就像有位資深專傢全程陪跑指導一樣。
评分我花瞭相當長的時間來評估這本書的理論深度,尤其是在對流式計算核心範式的闡述上,作者展現瞭令人信服的洞察力。它不僅僅是簡單地羅列API調用,而是深入剖析瞭狀態管理、時間語義(特彆是事件時間和處理時間之間的微妙差異)以及故障恢復機製背後的數學和工程原理。書中對Exactly-Once保證的實現路徑的探討,涉及瞭分布式快照算法的細節,這種刨根問底的寫作方式,讓讀者能夠真正理解“為什麼”要這樣做,而不是停留在“如何”做。這種對底層邏輯的揭示,對於那些希望從“使用者”晉升為“架構師”的工程師來說,簡直是無價之寶,因為它建立瞭一個堅實的理論基石,使得應對未來框架的演進也能遊刃有餘。
评分這本書的封麵設計和排版風格真是讓人眼前一亮,那種簡潔又不失專業感的藍白配色,立刻傳達齣一種嚴謹可靠的信號。我拿到實體書的時候,紙張的質感也齣乎意料地好,拿在手裏沉甸甸的,翻閱起來非常舒服,這對於一本需要長時間沉浸閱讀的技術書籍來說,簡直是加分項。光是這種對物理載體的用心,就讓人對內容質量有瞭更高的期待,感覺作者和齣版社真的把這本書當作瞭一件精心打磨的藝術品來對待。特彆是在閱讀那些復雜的概念圖示時,清晰的綫條和閤理的布局,大大降低瞭理解的門檻,這在很多同類書籍中是很難得的體驗,讓人願意反復翻閱和參考。
评分仔細閱讀瞭前7章,語言流暢,原理和實例深入淺齣。剩下的部分等實際用到的時候再翻閱。 #2019.05.16
评分。
评分不如直接看文檔
评分很多文檔中沒有講清楚的東西在書裏麵更詳細地闡述瞭。代碼示例是 scala 這點好評。
评分瞭解flink流處理框架背後的各種概念
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