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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-consumer-configurations.html
The configuration descriptions occur in order of increasing functionality and overhead. The consumer settings in the setup_consumers table form a hierarchy from higher levels to lower. The following discussion describes how consumers work, showing ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-error-log-table.html
Its value is a pipeline of log filter and log sink components to be executed in left-to-right order when error events occur. Of the logs the MySQL server maintains, one is the error log to which it writes diagnostic messages (see Section 7.4.2, ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-events-waits-current-table.html
Assume a join query of the following form that is executed using a table join order of t1, t2, t3: SELECT ... The table stores one row per thread showing the current status of the thread's most recent monitored wait event, so there is no system ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-session-account-connect-attrs-table.html
ORDINAL_POSITION The order in which the attribute was added to the set of connection attributes. Application programs can provide key-value connection attributes to be passed to the server at connect time. For descriptions of common attributes, see ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-session-connect-attrs-table.html
ORDINAL_POSITION The order in which the attribute was added to the set of connection attributes. Application programs can provide key-value connection attributes to be passed to the server at connect time. For descriptions of common attributes, see ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-setup-objects-table.html
The order in which matching occurs matters because different matching setup_objects rows can have different ENABLED and TIMED values. The setup_objects table controls whether the Performance Schema monitors particular objects. This table has a ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-startup-configuration.html
Longer instrument name strings take precedence over shorter pattern names, regardless of order. To use the MySQL Performance Schema, it must be enabled at server startup to enable event collection to occur. To enable or disable it explicitly, start ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-statement-histogram-summary-tables.html
Example statement histogram information: mysql> SELECT * FROM performance_schema.events_statements_histogram_by_digest WHERE SCHEMA_NAME = 'mydb' AND DIGEST = 'bb3f69453119b2d7b3ae40673a9d4c7c' AND COUNT_BUCKET > 0 ORDER BY BUCKET_NUMBER\G ... The ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-thread-filtering.html
The order in which matching occurs matters because different matching setup_actors rows can have different USER and HOST values. The threads table contains a row for each server thread. Each row contains information about a thread and indicates ...
https://dev.mysql.com/doc/refman/8.0/en/privileges-provided.html
You should be aware that there is no guarantee that multiple statements affecting privileges originating from different SQL nodes are executed on all SQL nodes in the same order. The privileges granted to a MySQL account determine which operations ...