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https://dev.mysql.com/doc/connector-j/en/connector-j-usagenotes-troubleshooting.html
This section explains the symptoms and resolutions for the most commonly encountered issues with applications using MySQL Connector/J. Questions 16.1: When I try to connect to the database with MySQL Connector/J, I get the following exception: ...
https://dev.mysql.com/doc/refman/8.4/en/macos-installation-launchd.html
macOS uses launch daemons to automatically start, stop, and manage processes and applications such as MySQL. The md5 checksum of a file containing the above snippet is d925f05f6d1b6ee5ce5451b596d6baed. To enable the launchd service, you can either: ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-params-ndbd.html
The listings in this section provide information about parameters used in the [ndbd] or [ndbd default] sections of a config.ini file for configuring NDB Cluster data nodes. For detailed descriptions and other additional information about each of ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-config.html
This tool extracts current configuration information for data nodes, SQL nodes, and API nodes from one of a number of sources: an NDB Cluster management node, or its config.ini or my.cnf file. By default, the management node is the source for the ...
https://dev.mysql.com/doc/refman/8.4/en/mysqlimport.html
The mysqlimport client provides a command-line interface to the LOAD DATA SQL statement. Most options to mysqlimport correspond directly to clauses of LOAD DATA syntax. Invoke mysqlimport like this: mysqlimport [options] db_name textfile1 ...
https://dev.mysql.com/doc/refman/8.4/en/range-optimization.html
The range access method uses a single index to retrieve a subset of table rows that are contained within one or several index value intervals. The following sections describe conditions under which the optimizer uses range access. Additionally, for ...
https://dev.mysql.com/doc/refman/8.4/en/semijoins-antijoins.html
A semijoin is a preparation-time transformation that enables multiple execution strategies such as table pullout, duplicate weedout, first match, loose scan, and materialization. The optimizer uses semijoin strategies to improve subquery execution, ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-attribute-tables-ndbd.html
ApiFailureHandlingTimeout: Maximum time for API node failure handling before escalating. Arbitration: How arbitration should be performed to avoid split-brain issues in event of node failure. Note that string '/BACKUP' is always appended to this ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-using-import-cluster-prepare-for-migration.html
The next step in the import process is to prepare the wild cluster for migration. This requires, among other things, removing cluster processes from control by any system service management facility, and making sure all management nodes are running ...
https://dev.mysql.com/doc/mysql-router/9.4/en/router-set-trace.html
MySQL Router supports tracing of statements as they are processed by MySQL Router from client to server and the response to the client. Configuration To configure ROUTER SET trace you must add the following to your MySQL Router configuration file: ...