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Analysis of the internal principles of Apache storm

This article turns from [Shiyan personal blog] This article is a personal to Storm application and learning a summary, because do not understand clojure language, so can not be more from the source analysis, but reference to the official website,

Storm study Notes

http://blog.csdn.net/sheen1991/article/details/51745673 Storm Study Notes First, Introduction The storm version used in this article is 1.0.1 Storm is a free, open-source distributed real-time computing system that makes it easier to reliably

Analysis of flow-processing framework Storm

ObjectiveDuring the previous period, I participated in the design of sentinel flow monitoring function, and researched two frameworks that can do flow calculation: Storm and spark streaming, I am in charge of Storm's research work. It took a week to

Storm details 2. Write the first storm Application

Before fully introducing storm, let's use a simple demo to let everyone feel what storm is. Storm running mode: Local Mode: This mode is equivalent to a task and will be explained in detail later. It runs on a single JVM on the local machine. This

Real-Time Computing Framework II: an example of Storm's entry

Prepare, fire, aim ...1 Summary and PromotionSince January, it is a floating floats swing, twists ah.First participated in the company's creative Marathon competition, although the completion of the work within 24 hours, but they feel the effect is

Advanced learning, how to design a beautiful and practical website without code?

As a new Frontier career, website design should be creative from the exterior, and the appropriate combination of graphics, layout and interactive design and other related principles, making it a unique and fascinating art. There is no doubt that

How much do you know in real time? _java

What is real time computing? take a look at the figure below: We take the hot product statistics for example, look at the traditional computing means: 1 The user behavior, log and other information after cleaning to save in the database.2 Keep

Storm's website PV statistics using zookeeper Lock to control threading operations

PV (Page views): Count (session_id)Thread safety issues under multi-threadingFirst, PV statisticsScenario AnalysisIs the following feasible?1, define static long PV, Synchronized control cumulative operationSynchronized and lock are valid under a

Baidu first included HTTPS site? What is your website https waiting for?

May 25, 2015, Baidu Webmaster platform issued by the announcement, said will be formally open to HTTPS site included. Start crawling HTTPS sites first. There are two sides to everything, and the news is good news for a website that has reached https.

Do you know real-time computing?

What is real-time computing? Take a look at the following figure:We take the statistics of hot products as an example, look at the traditional means of calculation:1. 将用户行为、log等信息清洗后保存在数据库中.2. 将订单信息保存在数据库中.3. 利用触发器或者协程等方式建立本地索引,或者远程的独立索引.4. join订单信息、

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