https://cwiki.apache.org/confluence/display/FLINK/Flink+Improvement+Proposals FLIP-1 : Fine Grained Recovery from Task Failures When a task fails during execution, Flink currently resets the entire execution graph and triggers complete re-execution f…

This is a guest post from Xiaowei Jiang, Senior Director of Alibaba’s search infrastructure team. The post is adapted from Alibaba’s presentation at Flink Forward 2016, and you can see the original talk from the conference here. Alibaba is the larges…

本文为 Apache Flink 新版本重大功能特性解读之 Flink SQL 系列文章的开篇,Flink SQL 系列文章由其核心贡献者们分享,涵盖基础知识.实践.调优.内部实现等各个方面,带你由浅入深地全面了解 Flink SQL. 1. 发展历程 今年的8月22日 Apache Flink 发布了1.9.0 版本(下文简称1.9),在 Flink 1.9 中,Table 模块迎来了核心架构的升级,引入了阿里巴巴Blink团队贡献的诸多功能,本文对Table 模块的架构进行梳理并介绍如何使用…

8月22日,Apache Flink 1.9.0 正式发布,早在今年1月,阿里便宣布将内部过去几年打磨的大数据处理引擎Blink进行开源并向 Apache Flink 贡献代码.当前 Flink 1.9.0是阿里内部版本 Blink 合并入 Flink 后的首次发版,修改代码150万行,此次发版不仅在结构上有重大变更,在功能特性上也更加强大与完善.本文将为大家介绍 Flink 1.9.0 有哪些重大变更与新增功能特性. 在此先简单回顾一下阿里巴巴 Blink 开源的部分要点: Blink 开源的…

本文为 Apache Flink 新版本重大功能特性解读之 Flink SQL 系列文章的开篇,Flink SQL 系列文章由其核心贡献者们分享,涵盖基础知识.实践.调优.内部实现等各个方面,带你由浅入深地全面了解 Flink SQL. 1. 发展历程 今年的8月22日 Apache Flink 发布了1.9.0 版本(下文简称1.9),在 Flink 1.9 中,Table 模块迎来了核心架构的升级,引入了阿里巴巴Blink团队贡献的诸多功能,本文对Table 模块的架构进行梳理并介绍如何使用…

动机 Flink提供了三种主要的sdk/API来编写程序:Table API/SQL.DataStream API和DataSet API.我们认为这个API太多了,建议弃用DataSet API,而使用Table API/SQL和DataStream API.当然,这说起来容易做起来难,所以在下面,我们将概述为什么我们认为太多的api对项目和社区有害.然后,我们将描述如何增强Table API/SQL和DataStream API以包含DataSet API的功能. 在本FLIP中,我们将不描…

Flip Game Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 37427   Accepted: 16288 Description Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16 squares. One side of each piece is white and the…

You are playing the following Flip Game with your friend: Given a string that contains only these two characters: + and -, you and your friend take turns to flip twoconsecutive "++" into "--". The game ends when a person can no longer…

You are playing the following Flip Game with your friend: Given a string that contains only these two characters: + and -, you and your friend take turns to flip twoconsecutive "++" into "--". The game ends when a person can no longer…

Flip Game Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 27005   Accepted: 11694 Description Flip game is played on a rectangular 4x4 field with two-sided pieces placed on each of its 16 squares. One side of each piece is white and the…