Tag：performance
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Time：2020-4-3
Although there are all kinds of video courses on the Internet, most of the knowledge points are too low in density. Many video courses are seriously watered, so it is difficult to systematically study in a short time. Although there are many dry goods in the content of technology blog, the content is relatively scattered […]
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Time：2020-4-3
Guidance: Netease koala (hereinafter referred to as Koala) is a comprehensive e-commerce dominated by cross-border business under Netease. Since the online public test on January 9, 2015, the business has maintained a rapid growth, which is inseparable from the support of its technical team. Micro service service is the inevitable trend of IT architecture evolution […]
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Time：2020-4-3
First personal website Feng Yan Feng Yu – intensive reading of high performance JavaScript – non blocking script JavaScript’s tendency to block browser processes, both HTTP requests and UI updates, is the most notable performance issue facing developers. JavaScript tends to block some of the browser’s processes, such as HTTP requests and user interface updates, […]
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Time：2020-4-2
01 Introduction With the growth of users and the development of business, the amount of data in the business system of large enterprise users is increasing, and the performance of large data table becomes a big obstacle to the realization of business functions. Among them, as the most common type of super large table, the […]
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Time：2020-3-29
In the above “how to set system configuration item (2)” of Milvus best practice, the key system configuration items of Milvus version 0.6.0 are described in detail. In this paper, the key parameters of the API of Milvus version 0.6.0 are described in detail, tested and verified, and suggestions on how to set them are […]
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Time：2020-3-27
Last article:Middleware architecture based on nginx (3): rewrite rule, secure link and geoip read regional information module, HTTPS service 1、 Lua Foundation 1.1 INTRODUCTION 1.2 basic grammar 1.2.1 operation Mode 1: Command [[email protected] ~]# lua Lua 5.1.4 Copyright (C) 1994-2008 Lua.org, PUC-Rio > print(“Hello World!”) Hello World! > Mode 2: Script #!/usr/bin/lua print(“Hello World!”) chmod […]
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Time：2020-3-23
Dry goods: how to realize a simple front-end performance and real-time monitoring of fetch request in ten minutes? Recently, I have been learning distributed microservice architecture in the system, and the last technology sprint Today’s article begins with a friend question years ago: How to monitor the fetch request in real time? Because he wants […]
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Time：2020-3-22
Scenario 1: how to analyze the running time and CPU utilization of the program? (1) Shell built-in time instruction This method is not new, but it is very practical.timeUnix / Linux is built-in with multiple commands. In general, it does not need to pass too many parameters when using. It can directly catch up with […]
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Time：2020-3-21
background Performance diagnosis is a problem that software engineers often face and solve in their daily work. In today’s user experience oriented era, solving the application performance problem can bring great benefits. As one of the most popular programming languages, Java application performance diagnosis has been widely concerned by the industry. There are many factors […]
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Time：2020-3-20
System administrators can analyze operating system performance and obtain operating system information by using the tools of BCC (BPF compiler collection) library. BCC introduction BCC tool is called BPF compiler collection (BCC), which is a very powerful library. The powerful kernel analysis tool ebpf is developed based on BCC. Using this library, we can get […]
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Time：2020-3-20
This issue starts in: zhengcaiyun front end tabloid No.47 For more on previous tabloids, please visit: weekly.zoo.team Implementation of web page recordingJavaScript Sometimes, when you don’t know the user’s specific operation, there is no way to reproduce this error. At this time, if there is an operation recording screen, you can clearly understand the user’s […]
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Time：2020-3-18
Introduce the basic features and concepts of Clickhouse, especially the performance comparison data, including the performance comparison with hive / spark / Druid. Article resources from shishuo.comPPT download https://www.slidestalk.com/s/clickhouse’pinyou Hot resources [rabbitmq large e-commerce website practice](https://www.slidestalk.com/s/… Zhu Xiaosi, the author of “rabbitmq practical guide”, introduces the practical experience of rabbitmq in large-scale e-commerce websites, specifically […]
