源码实时计算 Flink版的相关内容

问答 2019-02-14 来自：开发者社区

在自己的linux虚拟机下编译blink源码，在 [INFO] Running 'npm install --cache-max=0 --no-save' in /opt/gitrepo/flink-runtime-web/web-dashboard 后就没有反应了，ctrl+c 才退出来

转自钉钉群21789141：在自己的linux虚拟机下编译blink源码，在[INFO] Running 'npm install --cache-max=0 --no-save' in /opt/gitrepo/flink-runtime-web/web-dashboard后就没有反应了，ctrl+c 才退出来，还需要在linux里安装npm吗？用哪个npm的版本可以编译过呢？

问答 2018-10-18 来自：开发者社区

看源码有个小问题，RocksDBStateBackend 的 writeOptions 都把 disableWAL 设为 true, 是为了加速么？那如果地址放在内存盘里，是不是这里就不能这样了？另外现在 Flink 状态管理很粗放，HeapKeyedStateBackend & DefaultOperatorStateBackend 都是直接放入堆内存且各种 copy，经常导致 OOM，这点 dataArtisans 的同学说暂时没太多改进计划...

转自钉钉群21789141：看源码有个小问题，RocksDBStateBackend 的 writeOptions 都把 disableWAL 设为 true, 是为了加速么？那如果地址放在内存盘里，是不是这里就不能这样了？另外现在 Flink 状态管理很粗放，HeapKeyedStateBackend & DefaultOperatorStateBackend 都是直接放入堆内存且各种 ...

文章 2018-06-06 来自：开发者社区

Flink技术源码解析（一）：Flink概述与源码研读准备

一、前言 Apache Flink作为一款高吞吐量、低延迟的针对流数据和批数据的分布式实时处理引擎，是当前实时处理领域的一颗炙手可热的新星。关于Flink与其它主流实时大数据处理引擎Storm、Spark Streaming的不同与优势，可参考https://blog.csdn.net/cm_chenmin/article/details/53072498。出于技术人对技术本能的好奇与冲动，遂....

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