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https://dev.mysql.com/doc/refman/5.7/en/myisamchk-table-info.html
To obtain a description of a MyISAM table or statistics about it, use the commands shown here. The output from these commands is explained later in this section. myisamchk -d tbl_name Runs myisamchk in “describe mode” to produce a description ...
https://dev.mysql.com/doc/refman/5.7/en/myisampack.html
After join The number of distinct Huffman trees left after joining trees to save some header space. When the table is used later, the server reads into memory the information needed to decompress columns. This results in much better performance when ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-backup-using-management-client.html
This identifier is saved in the cluster log, if it has not been configured otherwise. Before starting a backup, make sure that the cluster is properly configured for performing one. If an existing backup_id value is used, the backup fails with the ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-config-send-buffers.html
This is a way to save memory when many nodes are in use, as long as the maximum amount of memory is never required by all transporters at the same time. The NDB kernel employs a unified send buffer whose memory is allocated dynamically from a pool ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-config-starting.html
Changes in configuration are also likely to be indicated when changes are made in the platform on which the cluster is run, or in applications that use the NDB Cluster 's data. For these reasons, it is not possible to offer a single configuration ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-install-linux-binary.html
We recommend that you do this when installing or upgrading NDB Cluster, even if you plan to use only one of them, since this should save time and trouble in the event that you later decide to change from one to the other. This section covers the ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-log-events.html
An event report reported in the event logs has the following format: datetime [string] severity -- message For example: 09:19:30 2005-07-24 [NDB] INFO -- Node 4 Start phase 4 completed This section discusses all reportable events, ordered by ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-upgrade.html
mysql_upgrade saves the MySQL version number in a file named mysql_upgrade_info in the data directory. Each time you upgrade MySQL, you should execute mysql_upgrade, which looks for incompatibilities with the upgraded MySQL server: It upgrades the ...
https://dev.mysql.com/doc/refman/5.7/en/mysqldump-sql-format.html
This section describes how to use mysqldump to create SQL-format dump files. For information about reloading such dump files, see Section 7.4.2, “Reloading SQL-Format Backups”. By default, mysqldump writes information as SQL statements to the ...
https://dev.mysql.com/doc/refman/5.7/en/mysqlpump.html
mysqlpump Invocation Syntax mysqlpump Option Summary mysqlpump Option Descriptions mysqlpump Object Selection mysqlpump Parallel Processing mysqlpump Restrictions The mysqlpump client utility performs logical backups, producing a set of SQL ...