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During the initial testing process, the project originally used kingshard as the middleware, but during the testing process, we found that the join does not support different sub-tables, so we can only choose to give up and change to mycat to do the testing Download address is [root@gzsd-ks01-101110214 download]# wget http://dl.mycat.i ...

download Download lrzsz first: upload mysql package on window s to linux yum -y install lrzsz Enter / usr/local directory rz: select mysql package Check if your computer has mysql installed ps -ef|grep mysqld root 2493 2423 0 19:48 pts/3 00:00:00 grep mysqld rpm -qa |grep -i mysql Unzip and rename the uploaded mysql ...

brief introduction Squid is a high performance proxy cache server that supports FTP, gopher, HTTPS, and HTTP protocols.Unlike general proxy caching software, Squid handles all client requests in a separate, non-modular, I/O-driven processAgent modeForward proxy allows users to use squid proxy server to access the internet. It also enables simi ...

Playing with Stream in Java 8 By litesky Link: http://www.jianshu.com/p/11c925cdba50 I believe you have heard about Java8 Stream, but you may not be able to use it or you are not familiar with it. This article will take you to use it from scratch, step by step, and lead you to the peak of Stream. Operator What are operators? Operator is a k ...

Systemd program Systemd is actually a program used by Linux system to manage the system, which is used to replace the original init process (used to manage and start other service processes of the system). Now many Linux distributions have their own Systemd programs. systemctl command 1. Unit systemctl command is the most important command in ...

Winning the bid of Kirin advanced server operating system software (ARM64 version) V7.0 PXE network boot system manual Server: centos 7.6 Client: Neokylin Linux Advanced Server release V7.0 (Chromium)-aarch64 Build06.08.lic/20191206 catalog 1, server installation and configuration 1. Install ...

Using python script to find symbols in. so library file Preparatory knowledge Naming rules and storage / search path of Linux dynamic link library Search files in Linux Linux browsing symbol list in. so library file Calling shell commands in Python Complete procedure When writing a Makefile rece ...

Average load and CPU utilization In real work, we often confuse the average load and CPU utilization, so here, I also make a distinction. You may wonder, the average load represents the active input. If the average load is high, doesn't it mean the CPU utilization is high? We still need to retu ...

1, Foreword                   . First, we will follow the previous task_struct explains task space management structure mm_struct, and a brief introduction to the physical memory and virtual memory related knowle ...

In "deep understanding of Java virtual machine: advanced features and best practices of JVM (version 2)", the working process of CMS collector is introduced as follows: CMS collector is based on the "mark clear" algorithm. Its operation process is more complex than the previous coll ...