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https://dev.mysql.com/doc/refman/5.7/en/innodb-performance-use_sys_malloc.html
When InnoDB was developed, the memory allocators supplied with operating systems and run-time libraries were often lacking in performance and scalability. At that time, there were no memory allocator libraries tuned for multi-core CPUs. Therefore, ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-recovery.html
To achieve point-in-time recovery after restoring a backup, you can apply changes from the binary log that occurred after the backup was made. Recovery from Data Corruption or Disk Failure If your database becomes corrupted or disk failure occurs, ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-table-import.html
This section describes how to import tables using the Transportable Tablespaces feature, which permits importing tables, partitioned tables, or individual table partitions that reside in file-per-table tablespaces. There are many reasons why you ...
https://dev.mysql.com/doc/refman/5.7/en/insert-delayed.html
The DELAYED option for the INSERT statement is a MySQL extension to standard SQL. The server recognizes but ignores the DELAYED keyword, handles the insert as a nondelayed insert, and generates an ER_WARN_LEGACY_SYNTAX_CONVERTED warning: INSERT ...
https://dev.mysql.com/doc/refman/5.7/en/installing-mysql-shell-starting.html
You need an account name and password to establish a session using MySQL Shell. On the same system where the server instance is running, open a terminal window (command prompt on Windows) and start MySQL Shell with the following command: mysqlsh ...
https://dev.mysql.com/doc/refman/5.7/en/internal-temporary-tables.html
In some cases, the server creates internal temporary tables while processing statements. The server creates temporary tables under conditions such as these: Evaluation of UNION statements, with some exceptions described later. Evaluation of some ...
https://dev.mysql.com/doc/refman/5.7/en/keywords.html
Certain keywords, such as SELECT, DELETE, or BIGINT, are reserved and require special treatment for use as identifiers such as table and column names. This may also be true for the names of built-in functions. Reserved words are permitted as ...
https://dev.mysql.com/doc/refman/5.7/en/loadable-function-reference.html
The following table lists each function that is loadable at runtime and provides a short description of each one. For a table listing built-in functions and operators, see Section 12.1, “Built-In Function and Operator Reference” For general ...
https://dev.mysql.com/doc/refman/5.7/en/macos-installation-launchd.html
macOS uses launch daemons to automatically start, stop, and manage processes and applications such as MySQL. The md5 checksum of a file containing the above snippet is 24710a27dc7a28fb7ee6d825129cd3cf. To enable the launchd service, you can either: ...
https://dev.mysql.com/doc/refman/5.7/en/metadata-locking.html
MySQL uses metadata locking to manage concurrent access to database objects and to ensure data consistency. Metadata locking applies not just to tables, but also to schemas, stored programs (procedures, functions, triggers, scheduled events), ...