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PrefaceThis is a study note.The learning material comes from a log blog post by Jay Kreps.The original text is very long, but I insist on reading, harvest a lot, but also deeply for Jay Brother's technical ability, architectural ability and understanding of the distributed system deeply impressed. At the same time, some of the understanding and Jay's views coincide with a little complacency.Jay Kreps is the former LinkedIn principal staff Engineer, th

users are used to sort answers." Starting from the product, Quora believes that Google and Wikipedia are too structured and machine algorithms are more sophisticated. When providing answers for knowledge, Quora focuses more on simplicity and popularity to meet the costs of most users, that is, we have to discard a few users with individual and deep needs. In normal communities, the support for Q A interactions is extremely limited, not only cannot highlight high-quality content, but also canno

Kafka is a message system contributed by LinkedIn to the Apache Foundation, known as a top-level project of Apache. Kafka was originally used as the base of the LinkedIn activity stream and operation data pipeline Kafka is a message system contributed by LinkedIn to the Apache Foundation, known as a top-level project of Apache. Kafka was originally used as the ba

Original link: LinkedIn translation: Importnew.com-hejianiLink: http://www.importnew.com/11336.htmlHigh-performance applications form the backbone of modern networks. LinkedIn has many internal high-throughput services to meet user requests thousands of times per second. To optimize the user experience, it is important to respond to these requests with low latency.For example, one feature that users often u

close the socket pool: // Disable socket pooling var http = require('http');var options = {.....};options.agent = false;var req = http.request(options) 3. Do not use Node. js for static Resources For static resources such as css and images, use standard WebServer instead of Node. js. For example, LinkedIn mobile uses nginx. We also use the content delivery network (CDNs) to copy static resources around the world to servers. This has two advantages:

: User acquisition, activation, retention, monetization and dissemination.Figure 2: The Pirate Law of growing hackersTherefore, product managers should think about products from the user life cycle and the whole process of enterprise business, and find every growth point of the product. The growth system has been reused by Silicon Valley giants like Facebook,LinkedIn,andAirbnb , suggesting that all product managers have a good learning And look at the

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on the subject or content. The Publish/Subscribe feature makes the coupling between sender and receiver looser, the sender does not have to care about the destination address of the receiver, and the receiver does not have to care about the sending address of the message, but simply sends and receives the message based on the subject of the message. Cluster (Cluster): To simplify system configuration in point-to-point communication mode, MQ provides a Cluster (cluster) solution. A cluster is

650) this.width=650; "Src=" Http://s5.51cto.com/wyfs02/M00/84/20/wKiom1eGDODBxV0JAAFlUUnxPDE965.jpg-wh_500x0-wm_3 -wmp_4-s_3585478208.jpg "title=" 1.jpg "alt=" Wkiom1egdodbxv0jaafluunxpde965.jpg-wh_50 "/>PayPalDo you know what Tesla Motors,linkedin,spacex,yelp,yammer has in common with these companies? In addition to their market capitalisation of more than 1 billion dollars, their founders are a PayPal gang (PayPal Mafia), if the history of Silicon V

Kafka principleKafka is a messaging system that was originally developed from LinkedIn as the basis for the activity stream of LinkedIn and the Operational Data Processing pipeline (Pipeline). It has now been used by several companies as multiple types of data pipelines and messaging systems. Activity flow data is the most common part of data that almost all sites use to make reports about their site usage

Reprinted from Http://blog.chinaunix.net/uid-20196318-id-2420884.htmlKAFKA[1] is a distributed message queue used by LinkedIn for log processing, and the log data of LinkedIn is large, but the reliability requirements are not high, and its log data mainly includes user behavior (login, browse, click, Share, like) and system run log (CPU, memory, disk, network, System and process status).Many of the current

Kafka distributed messaging system 2011-08-28 18:32:46Category: LINUXKAFKA[1] is a distributed message queue used by LinkedIn for log processing, and the log data of LinkedIn is large, but the reliability requirements are not high, and its log data mainly includes user behavior (login, browse, click, Share, like) and system run log (CPU, memory, disk, network, System and process status).Many of the current

it in subsequent articles. Today we are mainly concerned with the design concept of Kafka. After learning about the performance, let's take a look at what Kafka can do. Apart from what I mentioned at the beginning, let's take a look at what Kafka is actually running and used in: LinkedIn-Apache Kafka is used at LinkedIn for activity stream data and operational metrics. This powersVarious products like

Garbage collection optimization for high throughput and low latency Java applicationsHigh-performance applications form the backbone of modern networks. LinkedIn has many internal high-throughput services to meet user requests thousands of times per second. To optimize the user experience, it is important to respond to these requests with low latency.For example, one feature that users often use is to learn about dynamic information-a list of professi

Kessler of Velocity Partners, and Jason of LinkedIn. Miller and so on. 13. Make a video You can also post videos on YouTube or on other platforms, inviting an affected person to talk or show their work in the video. In addition, if you can't get them, you can also arrange the content in the video, then send them a link and ask them to forward or comment. If you do this, you must carefully consider the content in the video, so that the comments or t

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, developers, and designers. Google + Web developers group:web Developer's Google + community. Facebook WordPress front-end developers Group:wordpress's front-end engineer, Facebook group, discusses development issues, technology trends. LinkedIn Web Design and Development Professionals Group: Professional WEB Practitioners team on LinkedIn. LinkedIn php

, but humble. With so little functionality, the menu is integrated into one content to be more focused. Registration Trouble Too many entries. Now that you have made a website link, why not do the information import? Summary: Toss the king will be landing site. Area 42 is just a place where people with various titles are narcissistic. P value is not. As the leader in the watercress once "not familiar" colleague, to the present view still "not familiar" neighbor. My understanding of the 42 a

February by 63 million. Since February 2010, MySpace has lost nearly 0.11 billion of its 47 million users in a year. Although MySpace has created many stars such as Arctic Monkeys, Kate Nash, and Lily Allen, all the moves toward music are still irretrievable. Since the beginning of this year, MySpace has announced that it has cut off half of the job, and 500 employees have to seek another level. Http://tech2ipo.com/5202 LinkedIn Founder: Web 3.0 is a

PayPalDo you know what Tesla Motors,linkedin,spacex,yelp,yammer has in common with these companies? In addition to their market capitalisation of more than 1 billion dollars, their founders are a PayPal gang (PayPal Mafia), if the history of Silicon Valley knows, you must have heard of the famous "gang." How is this gang formed and what is the profound impact on the culture of Silicon Valley? Today, the Programmer's Inn www.proginn.com to give you a s