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https://dev.mysql.com/doc/refman/5.7/en/information-schema-tp-thread-state-table.html
The TP_THREAD_STATE table has one row per thread created by the thread pool to handle connections. The TP_THREAD_STATE table has these columns: TP_GROUP_ID The thread group ID. TP_GROUP_ID and TP_THREAD_NUMBER together provide a unique key within ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-user-privileges-table.html
The USER_PRIVILEGES table has these columns: GRANTEE The name of the account to which the privilege is granted, in 'user_name'@'host_name' format. The value can be any privilege that can be granted at the global level; see Section 13.7.1.4, “GRANT ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema.html
INFORMATION_SCHEMA provides access to database metadata, information about the MySQL server such as the name of a database or table, the data type of a column, or access privileges. Other terms that are sometimes used for this information are data ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-buffer-pool-tables.html
The InnoDB INFORMATION_SCHEMA buffer pool tables provide buffer pool status information and metadata about the pages within the InnoDB buffer pool. The InnoDB INFORMATION_SCHEMA buffer pool tables include those listed below: mysql> SHOW TABLES FROM ...INNODB_BUFFER_PAGE_LRU: Holds information about the pages in the InnoDB buffer pool, in particular how they are ordered in the LRU list that determines which pages to evict from the buffer pool when it becomes ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-compression-tables.html
There are two pairs of InnoDB INFORMATION_SCHEMA tables about compression that can provide insight into how well compression is working overall: INNODB_CMP and INNODB_CMP_RESET provide information about the number of compression operations and the ...INNODB_CMPMEM and INNODB_CMPMEM_RESET provide information about the way memory is allocated for ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-fulltext_index-tables.html
Example 14.5 InnoDB FULLTEXT Index INFORMATION_SCHEMA Tables This example uses a table with a FULLTEXT index to demonstrate the data contained in the FULLTEXT index INFORMATION_SCHEMA tables. If this variable is not set, the InnoDB FULLTEXT ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-innodb_cmp.html
For the table definition, see Section 24.4.5, “The INFORMATION_SCHEMA INNODB_CMP and INNODB_CMP_RESET Tables”. The INNODB_CMP and INNODB_CMP_RESET tables provide status information about operations related to compressed tables, which are ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-innodb_cmpmem.html
For the table definition, see Section 24.4.6, “The INFORMATION_SCHEMA INNODB_CMPMEM and INNODB_CMPMEM_RESET Tables”. The INNODB_CMPMEM and INNODB_CMPMEM_RESET tables provide status information about compressed pages that reside in the buffer ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-internal-data.html
The data exposed by the transaction and locking tables (INNODB_TRX, INNODB_LOCKS, and INNODB_LOCK_WAITS) represents a glimpse into fast-changing data. This is not like user tables, where the data changes only when application-initiated updates ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-information-schema-tables.html
For related information and examples, see Section 14.16, “InnoDB INFORMATION_SCHEMA Tables”. INFORMATION_SCHEMA InnoDB tables can be used to monitor ongoing InnoDB activity, to detect inefficiencies before they turn into issues, or to ...As your ...