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https://dev.mysql.com/doc/refman/8.0/en/sys-host-summary-by-file-io.html
By default, rows are sorted by descending total file I/O latency. 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 ...
https://dev.mysql.com/doc/refman/8.0/en/sys-host-summary-by-stages.html
By default, rows are sorted by host and descending total latency. 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 ...
https://dev.mysql.com/doc/refman/8.0/en/sys-memory-by-host-by-current-bytes.html
By default, rows are sorted by descending amount of memory used. 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 ...
https://dev.mysql.com/doc/refman/8.0/en/sys-memory-by-user-by-current-bytes.html
By default, rows are sorted by descending amount of memory used. 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. The ...
https://dev.mysql.com/doc/refman/8.0/en/sys-ps-setup-reset-to-default.html
row *************************** status: Resetting: setup_actors DELETE FROM performance_schema.setup_actors WHERE NOT (HOST = '%' AND USER = '%' AND ROLE = '%') *************************** 1. row *************************** status: Resetting: ...
https://dev.mysql.com/doc/refman/8.0/en/sys-ps-thread-stack.html
The value should match the THREAD_ID column from some Performance Schema threads table row. row *************************** thread_stack: {"rankdir": "LR","nodesep": "0.10", "stack_created": "2014-02-19 13:39:03", "mysql_version": ... Returns a JSON ...
https://dev.mysql.com/doc/refman/8.0/en/sys-schema-table-lock-waits.html
waiting_query_rows_examined The number of rows read from storage engines by the statement. These views display which sessions are blocked waiting on metadata locks, and what is blocking them. For additional information, see the description of the ...
https://dev.mysql.com/doc/refman/8.0/en/sys-user-summary-by-file-io-type.html
By default, rows are sorted by user and descending total latency. 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. These ...
https://dev.mysql.com/doc/refman/8.0/en/sys-user-summary-by-file-io.html
By default, rows are sorted by descending total file I/O latency. 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. The ...
https://dev.mysql.com/doc/refman/8.0/en/sys-user-summary-by-stages.html
By default, rows are sorted by user and descending total stage latency. 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. The ...