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Here are some points to note during installation Install according to the official website documents Remember! First, the documents are official documents. Please don't read Baidu articles at will. For those that are well written and poorly written, it's best to look at the official website: Jenkins official website: https://www.jenkins.io ...

1, Semi synchronous replication 1. What is semi synchronous replication The so-called semi synchronous replication refers to every transaction committed by the master (in short, an operation to change the data). Ensure that the slave accepts the binlog log file sent by the master server and writes it into its relay log relay log, and th ...

File common commands create a file touch Copy file cp file1 file2 //Copy file1 in the same directory and name file2 cp file1 file2 dir //Copy file1 and File2 to dir directory cp -p //Move the file and save all the original information Move (rename) file mv a b //Move to local and rename mv a b dir //Move a and b to di ...

1 file stream There are three kinds of input / output streams in Linux shell: standard input stream, standard output stream and standard error stream. Each stream has a file descriptor, a commonly used abbreviated name, and a commonly used default device (this is interesting). Keyboard input (the default device) is actually sending input to th ...

Common load balancing algorithms for distributed system design 0 what is load balancing? Load Balance means to balance the load (work task) and allocate it to multiple operation units for operation, so as to complete the work task together. What are the types of load balancing? Software and hardware load balancing Software load balancin ...

Introduction: in the cloud native era, the construction and deployment of software are inseparable from Container technology. When it comes to containers, almost everyone subconsciously thinks of Docker. There are two very important concepts in Docker: Image and Container. The former is a static view, which packages the directory structure and ...

What is an object? Object is the basic unit for MinIO to store Data, also known as MinIO file. The object is composed of Object Meta, user Data and file name (Key). The object is identified by a unique Key inside the storage space. Object Meta information is a set of Key value pairs, which represents some attributes of the object, such a ...

Welcome to WeChat official account: Xiamen micro think network. Wechat (official website): https://www.xmws.cn/ During holidays, people who return home and go out to play in the first and second tier cities are almost faced with a problem: grab train tickets! Although tickets can be booked in most cases, I believe everyone has a deep unders ...

Please indicate the source of Reprint: https://www.cnblogs.com/f-ck-need-u/p/7220193.html Chapter 2 Rsync (II): detailed description of inotify+rsync and sersync Classification: Linux services undefined The following is the rsync series: 　 1. Rsync (I): basic commands and usage 　 2. Rsync (II): detailed description of inotify+rsync and se ...

1, Background introduction The maximum number of connections of PostgreSQL will become a problem that annoys the business at some time. The number of business connections has soared, and the number of connections is full, but the service cannot be restarted. This scenario is very embarrassing. The maximum number of connections can only be rest ...