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https://dev.mysql.com/doc/refman/8.0/en/sys-io-global-by-file-by-latency.html
These views summarize global I/O consumers to display time waiting for I/O, grouped by file. The io_global_by_file_by_latency and x$io_global_by_file_by_latency views have these columns: file The file path name. total_latency The total wait time of ...
https://dev.mysql.com/doc/refman/8.0/en/sys-io-global-by-wait-by-bytes.html
These views summarize global I/O consumers to display amount of I/O and time waiting for I/O, grouped by event. By default, rows are sorted by descending total I/O (bytes read and written). The io_global_by_wait_by_bytes and ...
https://dev.mysql.com/doc/refman/8.0/en/sys-statements-with-full-table-scans.html
These views display normalized statements that have done full table scans. By default, rows are sorted by descending percentage of time a full scan was done and descending total latency. The statements_with_full_table_scans and ...
https://dev.mysql.com/doc/refman/8.0/en/sys-statements-with-runtimes-in-95th-percentile.html
These views list statements with runtimes in the 95th percentile. The statements_with_runtimes_in_95th_percentile and x$statements_with_runtimes_in_95th_percentile views have these columns: query The normalized statement string. db The default ...
https://dev.mysql.com/doc/refman/8.0/en/thread-pool-operation.html
The thread pool consists of a number of thread groups, each of which manages a set of client connections. As connections are established, the thread pool assigns them to thread groups in round-robin fashion. The thread pool exposes system variables ...
https://dev.mysql.com/doc/refman/8.0/en/window-functions-frames.html
The definition of a window used with a window function can include a frame clause. A frame is a subset of the current partition and the frame clause specifies how to define the subset. Frames are determined with respect to the current row, which ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-mysql-cluster.html
In the following section, we answer questions that are frequently asked about MySQL NDB Cluster and the NDB storage engine. Which versions of the MySQL software support NDB Cluster? Do I have to compile from source? A.10.2. What is the difference ...
https://dev.mysql.com/doc/refman/8.0/en/features.html
This section describes some of the important characteristics of the MySQL Database Software. In most respects, the roadmap applies to all versions of MySQL. Tested with Purify (a commercial memory leakage detector) as well as with Valgrind, a GPL ...
https://dev.mysql.com/doc/refman/8.0/en/alter-user.html
ALTER USER [IF EXISTS] user [auth_option] [, user [auth_option]] ... [REQUIRE {NONE | tls_option [[AND] tls_option] ...}] [WITH resource_option [resource_option] ...] [password_option | lock_option] ... It enables authentication, role, SSL/TLS, ...
https://dev.mysql.com/doc/refman/8.0/en/create-user.html
CREATE USER [IF NOT EXISTS] user [auth_option] [, user [auth_option]] ... [REQUIRE {NONE | tls_option [[AND] tls_option] ...}] [WITH resource_option [resource_option] ...] [password_option | lock_option] ... It enables authentication, role, ...