mysql show hosts

After two hosts A and B build the MySQL master-slave copy relationship (A is master,b to slave), the show slave status is executed on slave, and the results show last_io_error:error connecting to Master ' [ Email protected]:3306 ' ...First, look at

1, about/etc/host, hostname and IP configuration file Hosts-the static table lookup for host name (host-Name query-still tables) Hosts file is a Linux system responsible for the rapid resolution of IP address and domain name files, in ASCII format

Henan College of Traditional Chinese Medicine Course Design Report of MySQL Database Management  Title: Research and Implementation of MySQL Clusters       Completion date:2012January 1, December 31   Contents 1. Course Design overview 3 2. research

Hosts file Hosts--the static table lookup for host name (host name query for static tables). The Hosts file is the last file in the Linux system responsible for fast resolution of IP addresses and domain names, saved in ASCII format under

/etc/resolv.confThe file is a configuration file for DNS domain name resolution, and its format is simple, with each line beginning with a keyword followed by configuration parameters. There are four key words in resolv.conf, namely:nameserver

MySQL supports unidirectional and asynchronous replication. One server acts as the master server during the replication process, and one or more other servers act as slave servers. The master server writes updates to the binary log file and

When an slave server is connected to the master server, it notifies the master server of the last successful update location read from the server in the log. The slave server receives any updates from that time, blocks them, and waits for the master

MySQL has become one of the most widely used databases on the network, especially for Web applications. it occupies the absolute advantage of small and medium applications. All of this comes from its small and easy-to-use, secure and effective, open

Brief introductionMMM (Master-master Replication Manager for MySQL) is a set of scripting programs that support dual-master failover and dual-master daily management. MMM is developed using the Perl language, which is mainly used to monitor and

实现MySQL读写分离部署集群基础环境1 realizing MySQL read-write separation1.1 QuestionsThis case requires the configuration of 2 MySQL server +1 proxy Server, to achieve the MySQL agent read and write