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https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-buffer-page-table.html
The INNODB_BUFFER_PAGE table provides information about each page in the InnoDB buffer pool. For related usage information and examples, see Section 14.16.5, “InnoDB INFORMATION_SCHEMA Buffer Pool Tables”. Do not query this table on a ...To ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-ft-config-table.html
The INNODB_FT_CONFIG table provides metadata about the FULLTEXT index and associated processing for an InnoDB table. Before querying it, set the value of the innodb_ft_aux_table system variable to the name (including the database name) of the table ...The values for this column might change, depending on the needs for performance tuning and debugging for InnoDB full-text ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-events-statements-current-table.html
The table stores one row per thread showing the current status of the thread's most recent monitored statement event, so there is no system variable for configuring the table size. Of the tables that contain statement event rows, ...The THREAD_ID ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-processlist-table.html
Note The processlist table is automatically created in the Performance Schema for new installations of MySQL 5.7.39, or higher. For a comparison of this table with other sources, see Sources of Process Information. Note If the ...The MySQL process ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-status-variable-tables.html
Note The value of the show_compatibility_56 system variable affects the information available from the tables described here. Status variable information is available in these Performance Schema tables: global_status: Global status variables. An ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-ft-index-cache-table.html
The INNODB_FT_INDEX_CACHE table provides token information about newly inserted rows in a FULLTEXT index. Before querying it, set the value of the innodb_ft_aux_table system variable to the name (including the database name) of the table that ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-metrics-table.html
The INNODB_METRICS table provides information about InnoDB performance and resource-related counters. For example, to enable the log module, metadata_table_handles_opened and metadata_table_handles_closed counters, enter the following line in the ...SET GLOBAL innodb_monitor_disable = [counter-name|module_name|pattern|all]; innodb_monitor_reset: Resets counter values to ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-truncate-table-reclaim-space.html
To reclaim operating system disk space when truncating an InnoDB table, the table must be stored in its own .ibd file. For a table to be stored in its own .ibd file, innodb_file_per_table must enabled when the table is created. Additionally, there ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-events-transactions-current-table.html
The table stores one row per thread showing the current status of the thread's most recent monitored transaction event, so there is no system variable for configuring the table size. Other tables that contain transaction event rows are logically ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-prepared-statements-instances-table.html
This is accessed through the MySQL C API and maps onto underlying server commands as shown in the following table. This is accessed using SQL statements and maps onto underlying server commands as shown in the following table. This table enables ...