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https://dev.mysql.com/doc/internals/en/debug-sync-activation-deactivation.html
To enable it, start mysqld with the --debug-sync-timeout[=N] option, where N is a timeout value greater than 0. N becomes the default timeout for the WAIT_FOR action of individual synchronization points. If the option is given without a value, the ... The Debug Sync facility is an optional part of the MySQL ...
https://dev.mysql.com/doc/refman/8.4/en/locking-service.html
Lock acquisition calls take an integer timeout value that indicates how many seconds to wait to acquire locks before giving up. If the timeout is reached without successful lock acquisition, an ER_LOCKING_SERVICE_TIMEOUT error occurs. If the timeout ... MySQL distributions provide a locking interface that is accessible at two levels: At the SQL level, as a set of loadable functions that each map onto calls to the service ...
https://dev.mysql.com/doc/ndbapi/en/mgm-functions-management-server-connections.html
ndb_mgm_get_connectstring() ndb_mgm_get_configuration_nodeid() ndb_mgm_get_connected_port() ndb_mgm_get_connected_host() ndb_mgm_get_version() ndb_mgm_is_connected() ndb_mgm_check_connection() ndb_mgm_number_of_mgmd_in_connect_string() ... This ...A ...
https://dev.mysql.com/doc/refman/8.4/en/replication-options-replica.html
The heartbeat interval, which stops the connection timeout occurring in the absence of data if the connection is still good, is controlled by the SOURCE_HEARTBEAT_PERIOD option for the CHANGE REPLICATION SOURCE TO statement. The heartbeat interval ...init_replica Command-Line Format --init-replica=name System Variable init_replica Scope Global Dynamic Yes SET_VAR Hint Applies No Type String init_replica is similar to init_connect, but is a string to be executed by a replica server each time the replication SQL thread ...
https://dev.mysql.com/doc/x-devapi-userguide/en/connecting-connection-pool.html
0 queueTimeout The maximum number of milliseconds a request is allowed to wait for a connection to become available. X DevAPI supports connection pooling, which can reduce overhead for applications that open many connections to a MySQL Server. When ...
https://dev.mysql.com/doc/mysql-router/9.4/en/mysql-router-conf-options.html
connect_timeout Type Integer Default Value 5 Minimum Value 1 Maximum Value 65536 Timeout value used by the MySQL Router when connecting to the destination MySQL server. Example usage: [routing] connect_timeout = 5 Can be set at bootstrap using ...
https://dev.mysql.com/doc/refman/8.4/en/connection-options.html
This section describes options supported by most MySQL client programs that control how client programs establish connections to the server, whether connections are encrypted, and whether connections are compressed. Command Options for Connection ...These options can be given on the command line or in an option ...
https://dev.mysql.com/doc/mysql-router/9.4/en/mysqlrouter.html
--connect-timeout num_seconds Command-Line Format --connect-timeout num_seconds Type Integer Default Value 30 Number of seconds before connection attempts to a metadata server are considered timed out. This affects connections during both the ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-metric-connection-activity-category.html
Lists the Connection Activity metrics and provides a brief description of each. Table 6.4 Connection Activity Metrics NameDescriptionAborted Clients (Delta) The number of connections that were aborted because the client died without closing the ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-change-primary.html
When the timeout expires, for any transactions that did not yet reach their commit phase, the client session is disconnected so that the transaction does not proceed. Explicitly defined transactions (with a START TRANSACTION or BEGIN statement) are ...You can specify a timeout from 1 to 3600 seconds (60 minutes) for transactions that are running when you use the ... This section explains how to change which member of a single-primary group is ...