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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-basics.html
Generally speaking, when data is saved to disk, it is said that a checkpoint has been reached. NDBCLUSTER (also known as NDB) is an in-memory storage engine offering high-availability and data-persistence features. The NDBCLUSTER storage engine can ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/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/8.4/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 saves time and trouble in the event that you later decide to change from one to the other. This section covers the steps ...
https://dev.mysql.com/doc/refman/8.4/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/8.4/en/mysql-cluster-programs-ndb-import.html
--stats Command-Line Format --stats Save information about options related to performance and other internal statistics in files named *.sto and *.stt. ndb_import imports CSV-formatted data, such as that produced by mysqldump --tab, directly into ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-tls.html
If the tool finds existing key and certificate files, it renames them to reflect their retired status, and saves the newly created key and certificate as active files; the new files are used the next time that the node is restarted. This section ...
https://dev.mysql.com/doc/refman/8.4/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 9.4.2, “Reloading SQL-Format Backups”. By default, mysqldump writes information as SQL statements to the ...
https://dev.mysql.com/doc/refman/8.4/en/optimize-numeric.html
You also save code in your application because you can avoid parsing the text file to find line and column boundaries. For unique IDs or other values that can be represented as either strings or numbers, prefer numeric columns to string columns.
https://dev.mysql.com/doc/refman/8.4/en/optimizing-innodb-logging.html
Thus, if you have transactions that update, insert, or delete many rows, making the log buffer larger saves disk I/O. Consider the following guidelines for optimizing redo logging: Increase the size of your redo log files. When InnoDB has written ...