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https://dev.mysql.com/doc/refman/8.4/en/myisamchk-table-info.html
To obtain a description of a MyISAM table or statistics about it, use the commands shown here. The output from these commands is explained later in this section. myisamchk -d tbl_name Runs myisamchk in “describe mode” to produce a description ...
https://dev.mysql.com/doc/refman/8.4/en/myisamchk.html
The myisamchk utility gets information about your database tables or checks, repairs, or optimizes them. myisamchk works with MyISAM tables (tables that have .MYD and .MYI files for storing data and indexes). You can also use the CHECK TABLE and ...
https://dev.mysql.com/doc/refman/8.4/en/myisampack.html
When the table is used later, the server reads into memory the information needed to decompress columns. This results in much better performance when accessing individual rows, because you only have to uncompress exactly one row. MySQL uses mmap() ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-management.html
mysqld exposes the NDB API statistics counters as system status variables, which can be identified from the prefix common to all of their names (Ndb_api_). Managing an NDB Cluster involves a number of tasks, the first of which is to configure and ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbinfo-index-stats.html
The index_stats table provides basic information about NDB index statistics. More complete index statistics information can be obtained using the ndb_index_stat utility. The index_stats table contains the following columns: index_id Index ID ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication.html
Section 25.6.14, “NDB API Statistics Counters and Variables”, provides additional information. NDB Cluster supports asynchronous replication, more usually referred to simply as “replication”. This section explains how to set up and manage a ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-command-options.html
--debug-info, -T Command-Line Format --debug-info Type Boolean Default Value FALSE Print debugging information and memory and CPU usage statistics when the program exits. mysql supports the following options, which can be specified on the command ...
https://dev.mysql.com/doc/refman/8.4/en/mysqladmin.html
--debug-info Command-Line Format --debug-info Type Boolean Default Value FALSE Print debugging information and memory and CPU usage statistics when the program exits. You can use it to check the server's configuration and current status, to create ...
https://dev.mysql.com/doc/refman/8.4/en/mysqlbinlog.html
--debug-info Command-Line Format --debug-info Type Boolean Default Value FALSE Print debugging information and memory and CPU usage statistics when the program exits. The server's binary log consists of files containing “events” that describe ...
https://dev.mysql.com/doc/refman/8.4/en/mysqlcheck.html
--debug-info Command-Line Format --debug-info Type Boolean Default Value FALSE Print debugging information and memory and CPU usage statistics when the program exits. The mysqlcheck client performs table maintenance: It checks, repairs, optimizes, ...