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https://dev.mysql.com/doc/refman/9.7/en/sys-host-summary.html
statement_latency The total wait time of timed statements for the host. statement_avg_latency The average wait time per timed statement for the host. file_io_latency The total wait time of timed file I/O events for the host. These views summarize ...
https://dev.mysql.com/doc/refman/9.7/en/sys-innodb-lock-waits.html
The innodb_lock_waits and x$innodb_lock_waits views have these columns: wait_started The time at which the lock wait started. wait_age How long the lock has been waited for, as a TIME value. waiting_trx_age How long the waiting transaction has been ... These views summarize the InnoDB locks that transactions are waiting ...
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-thread-trx-info.html
Returns a JSON object containing information about a given thread. The information includes the current transaction, and the statements it has already executed, derived from the Performance Schema events_transactions_current and ...
https://dev.mysql.com/doc/refman/9.7/en/sys-user-summary.html
statement_latency The total wait time of timed statements for the user. statement_avg_latency The average wait time per timed statement for the user. file_io_latency The total wait time of timed file I/O events for the user. These views summarize ...
https://dev.mysql.com/doc/refman/9.7/en/sys-waits-by-host-by-latency.html
total_latency The total wait time of timed occurrences of the event for the host. avg_latency The average wait time per timed occurrence of the event for the host. max_latency The maximum single wait time of timed occurrences of the event for the ...
https://dev.mysql.com/doc/refman/9.7/en/sys-waits-by-user-by-latency.html
total_latency The total wait time of timed occurrences of the event for the user. avg_latency The average wait time per timed occurrence of the event for the user. max_latency The maximum single wait time of timed occurrences of the event for the ...
https://dev.mysql.com/doc/refman/9.7/en/sys-waits-global-by-latency.html
total_latency The total wait time of timed occurrences of the event. avg_latency The average wait time per timed occurrence of the event. max_latency The maximum single wait time of timed occurrences of the event. The waits_global_by_latency and ...
https://dev.mysql.com/doc/refman/9.7/en/telemetry-trace-configuration.html
--otel_exporter_otlp_traces_compression Compression type --otel_exporter_otlp_traces_endpoint The trace export endpoint --otel_exporter_otlp_traces_headers Key-value pairs to be used as headers associated with HTTP requests ...Server Configuration ...
https://dev.mysql.com/doc/refman/9.7/en/trigger-syntax.html
It also includes clauses that specify the trigger action time, the triggering event, and what to do when the trigger activates: The keyword BEFORE indicates the trigger action time. The statement following FOR EACH ROW defines the trigger body; that ... To create a trigger or drop a trigger, use the CREATE TRIGGER or DROP TRIGGER statement, described in Section 15.1.26, “CREATE TRIGGER Statement”, and Section 15.1.39, “DROP TRIGGER ...
https://dev.mysql.com/doc/refman/9.7/en/upgrade-binary-package.html
Note The upgrade process does not upgrade the contents of the time zone tables. For upgrade instructions, see Section 7.1.15, “MySQL Server Time Zone Support”. Note The upgrade process does not upgrade the contents of the time zone tables. For ... This section describes how to upgrade MySQL binary and package-based installations on ...