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https://dev.mysql.com/doc/refman/8.0/en/full-disk.html
This section describes how MySQL responds to disk-full errors (such as “no space left on device”), and to quota-exceeded errors (such as “write failed” or “user block limit reached”). The thread is aborted the next time it checks the ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-primary-secondary-replication.html
The source is the primary, and there are one or more replicas, which are secondaries. The source applies transactions, commits them and then they are later (thus asynchronously) sent to the replicas to be either re-executed (in statement-based ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-innodb-ft-index-table-table.html
The same word can occur several times within the cache table, once for each combination of DOC_ID and POSITION values. For related usage information and examples, see Section 17.15.4, “InnoDB INFORMATION_SCHEMA FULLTEXT Index Tables”. Use the ...
https://dev.mysql.com/doc/refman/8.0/en/multiple-server-clients.html
If you normally use a specific socket file or port number, you can place commands to set these environment variables in your .login file so that they apply each time you log in. For TCP/IP connections, you may also need to specify --host and --port ...Start the client with --protocol=TCP to connect using TCP/IP, --protocol=SOCKET to connect using a Unix socket file, --protocol=PIPE to connect using a named pipe, or --protocol=MEMORY to connect using shared ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-add-node-basics.html
In the event that you have API nodes using dynamically allocated node IDs and these IDs match node IDs that you want to use for new data nodes, it is possible to force any such API nodes to “migrate”, as described later in this procedure. This ... In this section, we list the basic steps required to add new data nodes to an NDB ...
https://dev.mysql.com/doc/refman/8.0/en/optimization.html
Sometimes you can be proactive and plan in advance for performance, while other times you might troubleshoot a configuration or code issue after a problem occurs. This chapter explains how to optimize MySQL performance and provides examples.
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-applier-status-table.html
Thread-specific status information is available in the replication_applier_status_by_coordinator table (and replication_applier_status_by_worker if the replica is multithreaded). There is always a default replication channel, and more replication ...
https://dev.mysql.com/doc/refman/8.0/en/programs-development.html
In shell scripts, you can use the my_print_defaults program to parse option files and see what options would be used by a given program. This works well for programs that use the last instance of an option that is specified multiple times. If you ...
https://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html
For general instructions on setting parameters at startup or runtime, see Section 7.1.7, “Server Command Options”, and Section 7.1.8, “Server System Variables”. The MySQL server has many operating parameters, which you can change at server ...Note On Windows, the .ini or .cnf option file extension might not be ...
https://dev.mysql.com/doc/refman/8.0/en/show-binlog-events.html
Note Issuing a SHOW BINLOG EVENTS with no LIMIT clause could start a very time- and resource-consuming process because the server returns to the client the complete contents of the binary log (which includes all statements executed by the server ...