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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication.html
These counters are implemented as NDB statistics _slave status variables, as seen in the output of SHOW STATUS, or in the results of queries against the SESSION_STATUS or GLOBAL_STATUS table in a mysql client session connected to a MySQL Server that ... NDB Cluster supports asynchronous replication, more usually referred to simply as ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-shm-definition.html
Communications between NDB cluster nodes are normally handled using TCP/IP. The shared memory (SHM) transporter is distinguished by the fact that signals are transmitted by writing in memory rather than on a socket. The shared-memory transporter ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-innodb-cluster-introduction.html
The following diagram shows an overview of how these technologies work together: Figure 20.1 InnoDB Cluster overview Being built on MySQL Group Replication, provides features such as automatic membership management, fault tolerance, automatic ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-logging.html
Mar 7 12:39:25 myhost MysqlClient[20824]: SYSTEM_USER:'oscar', MYSQL_USER:'my_oscar', CONNECTION_ID:23, DB_SERVER:'127.0.0.1', DB:'--', QUERY:'USE test;' Mar 7 12:39:28 myhost MysqlClient[20824]: SYSTEM_USER:'oscar', MYSQL_USER:'my_oscar', ... The ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-plugin.html
If no value for a variable is found, nothing is shown. Note mysql_plugin is deprecated as of MySQL 5.7.11 and removed in MySQL 8.0. Alternatives include loading plugins at server startup using the --plugin-load or --plugin-load-add option, or at ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-ssl-rsa-setup.html
For example, the program shows the openssl commands it runs, and produces output to indicate whether it skips SSL or RSA file creation because some default file already exists. This program creates the SSL certificate and key files and RSA key-pair ...
https://dev.mysql.com/doc/refman/5.7/en/mysqld-multi.html
The following example shows how you might set up an option file for use with mysqld_multi. mysqld_multi is designed to manage several mysqld processes that listen for connections on different Unix socket files and TCP/IP ports. It can start or stop ...
https://dev.mysql.com/doc/refman/5.7/en/mysqld-server.html
To find out how to determine which storage engines your MySQL server installation supports, see Section 13.7.5.16, “SHOW ENGINES Statement”. The following discussion covers these MySQL server configuration topics: Startup options that the server ...
https://dev.mysql.com/doc/refman/5.7/en/native-pluggable-authentication.html
The following table shows the plugin names on the server and client sides. MySQL includes two plugins that implement native authentication; that is, authentication based on the password hashing methods in use from before the introduction of ...
https://dev.mysql.com/doc/refman/5.7/en/no-matching-rows.html
If you still cannot figure out what is wrong, create a minimal test that can be run with mysql test < query.sql that shows your problems. If you have a complicated query that uses many tables but that returns no rows, you should use the following ...