https://dev.mysql.com/sys-host-summary-by-file-io.html
Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for background threads and are reported with a host name of background. By default, rows are sorted by descending total file I/O latency. The ...
https://dev.mysql.com/sys-host-summary-by-stages.html
Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for background threads and are reported with a host name of background. By default, rows are sorted by host and descending total latency. The ...
https://dev.mysql.com/sys-host-summary-by-statement-latency.html
Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for background threads and are reported with a host name of background. The host_summary_by_statement_latency and x$host_summary_by_statement_latency ...
https://dev.mysql.com/sys-host-summary-by-statement-type.html
Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for background threads and are reported with a host name of background. These views summarize informaion about statements executed, grouped by host ...
https://dev.mysql.com/sys-host-summary.html
Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for background threads and are reported with a host name of background. These views summarize statement activity, file I/O, and connections, grouped ...
https://dev.mysql.com/sys-io-by-thread-by-latency.html
These views summarize I/O consumers to display time waiting for I/O, grouped by thread. The io_by_thread_by_latency and x$io_by_thread_by_latency views have these columns: user For foreground threads, the account associated with the thread.
https://dev.mysql.com/sys-memory-by-host-by-current-bytes.html
Rows for which the HOST column in the underlying Performance Schema table is NULL are assumed to be for background threads and are reported with a host name of background. By default, rows are sorted by descending amount of memory used. The ...
https://dev.mysql.com/sys-memory-by-user-by-current-bytes.html
Rows for which the USER column in the underlying Performance Schema table is NULL are assumed to be for background threads and are reported with a host name of background. By default, rows are sorted by descending amount of memory used. The ...
https://dev.mysql.com/sys-ps-thread-id.html
See Section 12.22, “Performance Schema Functions” Returns the Performance Schema thread ID assigned to a given connection ID, or the thread ID for the current connection if the connection ID is NULL. Note As of MySQL 8.0.16, ps_thread_id() is ...
https://dev.mysql.com/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 ...