Programmer Group

1. Performance optimization case 1: adjusting heap size to improve service throughput 1.1. Modify tomcat JVM configuration In the production environment, Tomcat does not recommend configuring variables directly in catalina.sh, but in setenv.sh under the same level directory (bin directory) as Catalina. 1.2 initial configuration Writ ...

Source: blog.csdn.net/wang258533488/article/details/78901303 1 Overview In project development, there are often the needs of marketing activities such as lucky draw, such as integral turntable, scratch music, slot machine and so on. In fact, the implementation method of the background is the same. This paper introduces a common implementation ...

1. Background overview2. Why is the image so large 2.1 the basic image is too large2.2 the basic image is too large and cannot be found2.3. Git directory (unnecessary directory)2.4 Dockerfile has other problems3. How to optimize Dockerfile 3.1 where to start 3.1.1 take a chestnut3.1.2 Copy on write3.1.3 UnionFS3.2 scheme 3.2.1 reduce the numbe ...

This article is compiled and published by jiumo (Ma Zhi), chief lecturer of HeapDump performance community Chapter 17 - x86-64 register The system of machine language that can be interpreted by different CPUs is called ISA (Instruction Set Architecture), or instruction set. Intel calls the 32-bit CPU Instruction Set Architecture among x86 seri ...

Past and present life of Redis thread model https://mp.weixin.qq.com/s/MwG9GpnTVbma69PiOHHvgw Past and present life of Redis thread model original   Wang Shaodong   vivo Internet technology   2021-11-24 17 contents included in the topic # database Author: vivo Internet server team - Wang Shaodong   1, Overview   As we all know, ...

From May 18 to 20, we held Google's annual conference in the form of full online I/O Developer Conference , including 112 conferences, 151 codelabs, 79 developer gatherings, 29 seminars, and many exciting releases. Although this year's conference did not release a new version of Google I/O application, we still updated the code base to show s ...

Strategy mode brief introduction The policy pattern is the packaging of the algorithm. It separates the responsibility of using the algorithm from the algorithm itself and delegates it to different objects for management. Policy patterns usually package a series of algorithms into a series of policy classes as subclasses of an abstract policy ...

Author: Xiao Fu GeBlog: https://bugstack.cnPrecipitate, share and grow, so that you and others can gain something! 😄Recently, I am interested in expanding various functions in combination with the development capability of IDEA Plugin. Based on this, different cases are used to explore the IDEA Plugin plug-in development technology. I hope thi ...

Target scene Sometimes my girlfriend plays outside alone and asks where she is, but she doesn't tell me. However, you want to know the "location" of your girlfriend. What should you do? In fact, you can do this routine for your girlfriend to pretend that you are bored at home. You can help her repair the map and ask her to send ...

If you feel that the article is well written, if you want data in blog articles, please pay attention to the official account: the beauty of data analysis and statistics, add the author, personal WeChat, and enter the group to communicate with the author. catalogue 1. Project background and analysis description 1) Project background 2) Dat ...