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https://dev.mysql.com/doc/internals/en/risky-handling-around-additional-sessions.html
This is most probably good for the throughput of usual application but has some annoying consequences for the development of tests. If a disconnect <connection> or KILL <connection_id> or --exec <client program which connects to the server> occurs ...
https://dev.mysql.com/doc/internals/en/rnd-init.html
Synopsis virtual int rnd_init (scan); bool scan ; Description This is the rnd_init method. rnd_init() is called when the system wants the storage engine to do a table scan. Unlike index_init(), rnd_init() can be called two times without rnd_end() in ...
https://dev.mysql.com/doc/internals/en/wait-condition.html
Like 'sleep', this method can also be used, when all but one thread reach a blocked state. If you are able to detect that the threads are in their blocked state by using SQL statements, then you can use this method. The remaining thread runs the ...
https://dev.mysql.com/doc/ndbapi/en/mccj-clusterj-sessionfactory.html
Actual connections to the database are managed in a global connection pool, and may be shared by several session factories; each connection will be closed when the last session factory using it is closed. 4.3.1.23.3 currentState() public abstract ...
https://dev.mysql.com/doc/ndbapi/en/mccj-using-clusterj-operations.html
To insert a new row into the table, first create a new instance of Employee. This can be accomplished by calling the Session method newInstance(), as shown here: Employee newEmployee = session.newInstance(Employee.class); Set the Employee instance ...
https://dev.mysql.com/doc/ndbapi/en/mgm-types.html
This section provides information about the data types defined by the MGM API. The types described in this section are all defined in the file /storage/ndb/include/mgmapi/mgmapi.h, with the exception of Ndb_logevent_type, ndb_mgm_event_severity, ...
https://dev.mysql.com/doc/relnotes/connector-net/en/news-8-0-16.html
Functionality Added or Changed Bugs Fixed Functionality Added or Changed Document Store: Support was added for the -> operator to be used with JSON document paths in relational statements. For example: ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-cluster-metric-mysqlserver-clusteractivity-category.html
Lists the InnoDB Cluster Activity metrics and provides a brief description of each. Table 8.1 Cluster Activity Metrics NameDescriptionTarget Name Name of the OEM Target Acl Cache Items Count The number of cached privilege objects. Each object is ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-compliance-replication-standard-rules.html
By default, the server logs the length of the event as well as the event itself and uses this information to verify that the event was written correctly. You can also cause the server to write checksums for the events using CRC32 checksums by ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-config-metric-binarylogs-category.html
Lists the Binary Logs configuration metrics and provides a brief description of each. Table 7.2 Binary Logs Configuration Metrics NameDescriptionBinlog Cache Size The size of the cache to hold changes to the binary log during a transaction. A ...