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https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-list-packages.html
This is the same as the value given for the --basedir option in the add package command that was used to create or augment the package. The output contains three columns; these are described in the following list: Package. This can sometimes be ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-remove-process.html
The following restrictions apply when using this command: The cluster must be in the status of created or stopped. The command cannot remove all processes from a cluster in the created status; at least one process must be left. remove process ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-stop-cluster.html
See Section 5.4.1, “The create cluster Command”, and Section 4.5, “Importing MySQL NDB Clusters into MySQL Cluster Manager”, for more information.
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-stop-process.html
This command does not work with processes in a cluster created for import where the import has not yet actually been completed. See Section 5.4.1, “The create cluster Command”, and Section 4.5, “Importing MySQL NDB Clusters into MySQL Cluster ... stop process nodespec cluster_name nodespec: {nodetype | process_id_list} process_id_list: process_id[, process_id[, ...]] This command stops the MySQL NDB Cluster processes specified by nodespec in the cluster named ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-using-start-stop-agent-linux.html
You can tell the agent to use a different configuration file by passing the path to this file to the --config option, as shown here: $> ./bin/mcmd --config=/home/mcm/mcm-agent.conf The --bootstrap option causes the agent to start with default ... To ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-12.html
(WL #11876) Bugs Fixed X DevAPI: When creating an X DevAPI session using a Properties map instead of a connection string, referring to property keys like host, port, and protocol in lowercase caused a NullPointerException. (Bug #27652379) X DevAPI: ... Version 8.0.12 is the latest General Availability release of the 8.0 series of MySQL ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-19.html
When using connection pooling, Connector/J keeps track of any host it failed to connect to and, for a short waiting period after the failure, avoids connecting to it during the creation or retrieval of a Session. Version 8.0.19 is the latest ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-20.html
It was because the SimpleDateFormat object created internally with the custom calendar was cached and reused. (Bug #30570721, Bug #97724) When creating a Statement, the specification for the resultSetType parameter was not honored, so that the ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-7.html
(WL #10530) To avoid using JDBC statements inside core Connector/J classes, the following changes have been implemented: Created a new com.mysql.cj.api.Query interface, which is implemented by StatementImpl. (WL #10553) Bugs Fixed X DevAPI: ...
https://dev.mysql.com/doc/refman/9.7/en/aggregate-functions.html
For a faster count, create a counter table and let your application update it according to the inserts and deletes it does. This section describes aggregate functions that operate on sets of values. They are often used with a GROUP BY clause to ...