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https://dev.mysql.com/doc/refman/8.0/en/innodb-preload-buffer-pool.html
For example, you can save the state of the buffer pool after reaching a stable throughput under a steady workload. Only tablespace IDs and page IDs necessary to locate the appropriate pages are saved to disk. By default, tablespace ID and page ID ...
https://dev.mysql.com/doc/refman/8.0/en/insert-optimization.html
The size of the table slows down the insertion of indexes by log N, assuming B-tree indexes. If you are adding data to a nonempty table, you can tune the bulk_insert_buffer_size variable to make data insertion even faster. When loading a table from ... To optimize insert speed, combine many small operations into a single large ...
https://dev.mysql.com/doc/refman/8.0/en/install-plugin.html
It requires the INSERT privilege for the mysql.plugin system table because it adds a row to that table to register the plugin. INSTALL PLUGIN also registers the plugin by adding a line that indicates the plugin name and library file name to the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-log-statistics.html
A unique index read operation generates 2 primary key read operations—1 for the hidden unique index table, and 1 for the table on which the read takes place. Note A unique index update operation can generate multiple PK read and write operations ... The NDB management client's CLUSTERLOG STATISTICS command can provide a number of useful statistics in its ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-print-backup-file.html
--table-id Command-Line Format --table-id=# Introduced 8.0.24-ndb-8.0.24 Type Integer Default Value [none] Table ID. This can be any of the files (.Data, .ctl, or .log file) found in a cluster backup directory. These files are found in the data ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-installer-catalog-dashboard.html
For upgrades, a check box enables you to skip the upgrade check and process for system tables, while checking and processing data dictionary tables normally. If you stop and then restart the server without the --upgrade=MINIMAL option, the server ...
https://dev.mysql.com/doc/refman/8.0/en/persisted-system-variables.html
This makes PERSIST_ONLY suitable for configuring read-only system variables that can be set only at server startup. The Performance Schema variables_info table contains information showing when and by which user each system variable was most ... The ...
https://dev.mysql.com/doc/refman/8.0/en/replication-mode-change-online-concepts.html
When using GTIDs you can take advantage of GTID auto-positioning and automatic failover, and use WAIT_FOR_EXECUTED_GTID_SET(), session_track_gtids, and Performance Schema tables to monitor replicated transactions (see Section 29.12.11, ... Before ...
https://dev.mysql.com/doc/refman/8.0/en/server-side-help-support.html
This information is stored in several tables in the mysql schema (see Section 7.3, “The mysql System Schema”). Proper operation of the HELP statement requires that these help tables be initialized. For a new installation of MySQL using a binary ... MySQL Server supports a HELP statement that returns information from the MySQL Reference Manual (see Section 15.8.3, “HELP ...
https://dev.mysql.com/doc/refman/8.0/en/data-masking-plugin-installation.html
This section describes how to install or uninstall MySQL Enterprise Data Masking and De-Identification, which is implemented as a plugin library file containing a plugin and several loadable functions. For general information about installing or ...