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https://dev.mysql.com/doc/refman/5.7/en/performance-schema-stage-summary-tables.html
Example stage event summary information: mysql> SELECT * FROM performance_schema.events_stages_summary_global_by_event_name\G ... The Performance Schema maintains tables for collecting current and recent stage events, and aggregates that ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-startup-configuration.html
For information about specifying patterns to select instruments, see Section 25.4.9, “Naming Instruments or Consumers for Filtering Operations”. To use the MySQL Performance Schema, it must be enabled at server startup to enable event ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-status-variable-tables.html
For example: SELECT EVENT_NAME, COUNT_STAR FROM performance_schema.events_statements_summary_global_by_event_name WHERE EVENT_NAME LIKE 'statement/sql/%'; The global_status and session_status tables have these columns: VARIABLE_NAME The status ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-table-reference.html
The following table summarizes all available Performance Schema tables. For greater detail, see the individual table descriptions. Table 25.1 Performance Schema Tables Table Name Description Deprecated accounts Connection statistics per client ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-transaction-summary-tables.html
Example transaction event summary information: mysql> SELECT * FROM performance_schema.events_transactions_summary_global_by_event_name LIMIT 1\G *************************** 1. The Performance Schema maintains tables for collecting current and ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-wait-summary-tables.html
Example wait event summary information: mysql> SELECT * FROM performance_schema.events_waits_summary_global_by_event_name\G ... The Performance Schema maintains tables for collecting current and recent wait events, and aggregates that information ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema.html
These tables can be queried using SELECT statements like other tables. The MySQL Performance Schema is a feature for monitoring MySQL Server execution at a low level. The Performance Schema has these characteristics: The Performance Schema provides ...
https://dev.mysql.com/doc/refman/5.7/en/pluggable-authentication.html
When a client connects to the MySQL server, the server uses the user name provided by the client and the client host to select the appropriate account row from the mysql.user system table. The server then authenticates the client, determining from ...
https://dev.mysql.com/doc/refman/5.7/en/pluggable-storage-overview.html
The MySQL pluggable storage engine architecture enables a database professional to select a specialized storage engine for a particular application need while being completely shielded from the need to manage any specific application coding ...The ...
https://dev.mysql.com/doc/refman/5.7/en/point-in-time-recovery-positions.html
The last section, Section 7.5.1, “Point-in-Time Recovery Using Binary Log”, explains the general idea of using the binary log to perform a point-in-time-recovery. As an example, suppose that around 13:00:00 on May 27, 2020, an SQL statement was ...