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https://dev.mysql.com/doc/refman/5.7/en/thread-pool-operation.html
It is important that threads that do not report back to the thread pool do not prevent other statements from executing and thus cause the thread pool to become deadlocked. The thread pool consists of a number of thread groups, each of which manages ...
https://dev.mysql.com/doc/refman/5.7/en/thread-pool-tuning.html
Another system variable, thread_pool_stall_limit, is important for handling of blocked and long-running statements. This section provides guidelines on setting thread pool system variables for best performance, measured using a metric such as ...
https://dev.mysql.com/doc/refman/5.7/en/windows-installation.html
Important MySQL Community 5.7 Server requires the Microsoft Visual C++ 2019 Redistributable Package to run on Windows platforms. Users should make sure the package has been installed on the system before installing the server. This requirement ...
https://dev.mysql.com/doc/refman/5.7/en/account-management-statements.html
Important Some MySQL releases introduce changes to the grant tables to add new privileges or features. MySQL account information is stored in the tables of the mysql system database. This database and the access control system are discussed ...
https://dev.mysql.com/doc/refman/5.7/en/alter-user.html
Important Under some circumstances, ALTER USER may be recorded in server logs or on the client side in a history file such as ~/.mysql_history, which means that cleartext passwords may be read by anyone having read access to that information. ALTER ...
https://dev.mysql.com/doc/refman/5.7/en/analyze-table.html
When innodb_stats_persistent is enabled, it is important to run ANALYZE TABLE after major changes to index column data, as statistics are not recalculated periodically (such as after a server restart). ANALYZE TABLE performs a key distribution ...
https://dev.mysql.com/doc/refman/5.7/en/ansi-diff-foreign-keys.html
It is important to realize when using this syntax that: MySQL does not perform any sort of check to make sure that col_name actually exists in tbl_name (or even that tbl_name itself exists). For example, if you define a RESTRICT type constraint, and ...
https://dev.mysql.com/doc/refman/5.7/en/backup-and-recovery.html
It is important to back up your databases so that you can recover your data and be up and running again in case problems occur, such as system crashes, hardware failures, or users deleting data by mistake. Backups are also essential as a safeguard ...
https://dev.mysql.com/doc/refman/5.7/en/binary-installation.html
The mysql-files directory provides a convenient location to use as the value for the secure_file_priv system variable, which limits import and export operations to a specific directory. These include generic binary distributions in the form of ...
https://dev.mysql.com/doc/refman/5.7/en/binary-log-formats.html
It is important therefore that tables always use a primary key to ensure rows can be efficiently identified. The server uses several logging formats to record information in the binary log. The exact format employed depends on the version of MySQL ...