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https://dev.mysql.com/doc/refman/9.7/en/performance-schema-status-variable-summary-tables.html
The Performance Schema makes status variable information available in the tables described in Section 29.12.15, “Performance Schema Status Variable Tables”. It also makes aggregated status variable information available in summary tables, ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-thread-pool-tables.html
The following sections describe the Performance Schema tables associated with the thread pool plugin (see Section 7.6.3, “MySQL Enterprise Thread Pool”). They provide information about thread pool operation: tp_connections: Information about ...
https://dev.mysql.com/doc/refman/9.7/en/pluggable-storage-common-layer.html
A MySQL pluggable storage engine is the component in the MySQL database server that is responsible for performing the actual data I/O operations for a database as well as enabling and enforcing certain feature sets that target a specific ...
https://dev.mysql.com/doc/refman/9.7/en/prepare.html
PREPARE stmt_name FROM preparable_stmt The PREPARE statement prepares a SQL statement and assigns it a name, stmt_name, by which to refer to the statement later. The prepared statement is executed with EXECUTE and released with DEALLOCATE PREPARE.
https://dev.mysql.com/doc/refman/9.7/en/problems-with-mysql-sock.html
The default location for the Unix socket file that the server uses for communication with local clients is /tmp/mysql.sock. (For some distribution formats, the directory might be different, such as /var/lib/mysql for RPMs.) On some versions of ...
https://dev.mysql.com/doc/refman/9.7/en/processlist-access.html
The following discussion enumerates the sources of process information, the privileges required to see process information, and describes the content of process list entries. The other sources have negative performance consequences because they ...
https://dev.mysql.com/doc/refman/9.7/en/program-options.html
There are several ways to specify options for MySQL programs: List the options on the command line following the program name. This is common for options that apply to a specific invocation of the program. List the options in an option file that ...
https://dev.mysql.com/doc/refman/9.7/en/programs-client.html
This section describes client programs that connect to the MySQL server.
https://dev.mysql.com/doc/refman/9.7/en/purge-binary-logs.html
PURGE BINARY LOGS { TO 'log_name' | BEFORE datetime_expr } The binary log is a set of files that contain information about data modifications made by the MySQL server. The log consists of a set of binary log files, plus an index file (see Section ...
https://dev.mysql.com/doc/refman/9.7/en/replication-administration.html
Once replication has been started it executes without requiring much regular administration. This section describes how to check the status of replication, how to pause a replica, and how to skip a failed transaction on a replica. Tip To deploy ...