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https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-cluster-config-metric-sourcestatus-category.html
Recovery Reconnect Interval Time in seconds between recovery reconnection attempts in group replication. Components Stop Timeout Time (in seconds) to wait for group replication components to stop during shutdown. Checkpoint Period Maximum interval ...Table 9.2 Source Status Configuration Metrics NameDescriptionSkip Errors Errors the server should ...
https://dev.mysql.com/doc/connectors/en/connector-j-overview.html
MySQL provides connectivity for client applications developed in the Java programming language with MySQL Connector/J. Connector/J implements the Java Database Connectivity (JDBC) API, as well as a number of value-adding extensions of it. MySQL ...
https://dev.mysql.com/doc/mysql-secure-deployment-guide/8.0/en/secure-deployment-roles-dynamic-privileges.html
Privilege management is an important aspect of managing the security of a MySQL installation. Following the principle of least privilege, a MySQL account should only be granted privileges required to for its legitimate purposes. To facilitate ...
https://dev.mysql.com/doc/mysql-monitor/8.0/en/agenthealth-advisor-ref.html
Although it is possible to use very small values for a moving average window, large values, larger than seconds, are recommended. Memory Usage Thresholds (% of max allowed): enables you to define thresholds for RAM usage as a percentage of the ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-view-changes.html
When Group Replication's distributed recovery process is carrying out state transfer from the binary log, to synchronize the joining member with the donor up to a specific point in time, the joining member and donor make use of GTIDs (see Section ...However, GTIDs only provide a means to realize which transactions the joining member is ...
https://dev.mysql.com/doc/refman/8.4/en/fulltext-fine-tuning.html
Most full-text variables described in this section must be set at server startup time. Note Minimum and maximum word length full-text parameters do not apply to FULLTEXT indexes created using the ngram parser. The innodb_ft_num_word_optimize option ...You can exert more control over full-text searching behavior if you have a MySQL source distribution because some changes require source code ...
https://dev.mysql.com/doc/relnotes/connector-j/en/news-8-0-8.html
Schema.dropView() now executes immediately and returns void; also, the ViewDrop interface has been removed. Collection.dropIndex() now executes immediately and returns void; also the DropCollectionIndexStatement interface has been removed. (WL ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-group-membership.html
When a member exceeds the expel timeout and is expelled from the group, or when Group Replication is stopped on the server by a STOP GROUP_REPLICATION statement or a server failure, it must rejoin as a new incarnation. The group is dynamic and ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-memory-usage-pages.html
Important This report retrieves data from the x$memory_global_by_current_bytes view of the sys schema. If the sys schema, version 1.5.1 or higher, is not installed on the monitored MySQL server, the report is not populated. Table 4.2 Memory Usage ...
https://dev.mysql.com/doc/internals/en/select-subquery.html
The engine will be created at the time Item_subselect is constructed (Item_subselect::init method). Before calling any value-getting method (val, val_int, val_str, bring_value (in case of row result)) engine->exec() will be called, which executes ...