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https://dev.mysql.com/doc/refman/9.7/en/sys-io-by-thread-by-latency.html
These views summarize I/O consumers to display time waiting for I/O, grouped by thread. The io_by_thread_by_latency and x$io_by_thread_by_latency views have these columns: user For foreground threads, the account associated with the thread.
https://dev.mysql.com/doc/refman/9.7/en/sys-memory-by-host-by-current-bytes.html
By default, rows are sorted by descending amount of memory used. The memory_by_host_by_current_bytes and x$memory_by_host_by_current_bytes views have these columns: host The host from which the client connected. Rows for which the HOST column in the ...
https://dev.mysql.com/doc/refman/9.7/en/sys-memory-by-user-by-current-bytes.html
By default, rows are sorted by descending amount of memory used. The memory_by_user_by_current_bytes and x$memory_by_user_by_current_bytes views have these columns: user The client user name. Rows for which the USER column in the underlying ...
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-thread-id.html
Note ps_thread_id() is deprecated, and subject to removal in a future MySQL version. Applications that use it should be migrated to use the built-in PS_THREAD_ID() and PS_CURRENT_THREAD_ID() functions instead. See Section 14.22, “Performance ...
https://dev.mysql.com/doc/refman/9.7/en/sys-ps-trace-statement-digest.html
Traces all Performance Schema instrumentation for a specific statement digest. If you find a statement of interest within the Performance Schema events_statements_summary_by_digest table, specify its DIGEST column MD5 value to this procedure and ...
https://dev.mysql.com/doc/refman/9.7/en/sys-schema-progress-reporting.html
The following sys schema views provide progress reporting for long-running transactions: processlist session x$processlist x$session Assuming that the required instruments and consumers are enabled, the progress column of these views shows the ...
https://dev.mysql.com/doc/refman/9.7/en/sys-statement-analysis.html
The statement_analysis and x$statement_analysis views have these columns: query The normalized statement string. db The default database for the statement, or NULL if there is none. full_scan The total number of full table scans performed by ...
https://dev.mysql.com/doc/refman/9.7/en/sys-statements-with-errors-or-warnings.html
These views display normalized statements that have produced errors or warnings. By default, rows are sorted by descending error and warning counts. The statements_with_errors_or_warnings and x$statements_with_errors_or_warnings views have these ...
https://dev.mysql.com/doc/refman/9.7/en/sys-statements-with-full-table-scans.html
These views display normalized statements that have done full table scans. By default, rows are sorted by descending percentage of time a full scan was done and descending total latency. The statements_with_full_table_scans and ...
https://dev.mysql.com/doc/refman/9.7/en/sys-statements-with-runtimes-in-95th-percentile.html
These views list statements with runtimes in the 95th percentile. The statements_with_runtimes_in_95th_percentile and x$statements_with_runtimes_in_95th_percentile views have these columns: query The normalized statement string. db The default ...