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https://dev.mysql.com/doc/refman/8.0/en/innodb-disk-management.html
Within these constraints, InnoDB tries to optimize the database work and the organization of disk files to minimize the amount of disk I/O. Sometimes, I/O is postponed until the database is not busy, or until everything needs to be brought to a ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-init-startup-configuration.html
In some cases, you can improve database performance by placing data and log files on separate physical disks. Because of this, an operating system crash or a power outage may destroy recently committed data, or in the worst case, even corrupt the ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-statistics-estimation.html
The auto-rehash feature enables automatic name completion of database, table, and column names for interactive users. Choose a value that results in reasonably accurate estimates for all tables in your database without requiring excessive I/O. If ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-transaction-isolation-levels.html
Transaction isolation is one of the foundations of database processing. This is because a non-locking SELECT statement presents the state of the database from a read view which consists of transactions committed before the read view was created, ...
https://dev.mysql.com/doc/refman/8.0/en/installing-source-distribution.html
If that does not solve the problem, please enter it into our bugs database using the instructions given in Section 1.5, “How to Report Bugs or Problems”. On Windows, generate the data directory, then create a .zip archive installation package: ... To install MySQL from a standard source distribution: Verify that your system satisfies the tool requirements listed at Section 2.8.2, “Source Installation ...
https://dev.mysql.com/doc/refman/8.0/en/myisam-crash-recovery.html
This section describes how to check for and deal with data corruption in MySQL databases. When performing crash recovery, it is important to understand that each MyISAM table tbl_name in a database corresponds to the three files in the database ...
https://dev.mysql.com/doc/refman/8.0/en/myisampack.html
If you are not in the database directory, you should specify the path name to the file. (myisampack creates an intermediate file named tbl_name.TMD in the database directory while it compresses the table. When the table is used later, the server ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-installation.html
This section covers hardware and software requirements; networking issues; installation of NDB Cluster; basic configuration issues; starting, stopping, and restarting the cluster; loading of a sample database; and performing queries. We use the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-limitations.html
You can report any discrepancies that you encounter to the MySQL bugs database using the instructions given in Section 1.5, “How to Report Bugs or Problems”. In the sections that follow, we discuss known limitations in current releases of NDB ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-select-count.html
You can obtain row counts from multiple tables in the same database by listing the table names separated by spaces when invoking this command, as shown under Sample Output. ndb_select_count prints the number of rows in one or more NDB tables. With ...