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https://dev.mysql.com/doc/refman/8.4/en/channels-startup-options.html
--replica-net-timeout=N This value is set per channel, so that each channel waits for N seconds to check for a broken connection. This section describes startup options which are impacted by the addition of replication channels. The following ...
https://dev.mysql.com/doc/refman/8.4/en/group-replication-group-membership.html
However, if a member leaves the group involuntarily, for example because it has stopped unexpectedly or the network connection is down, it cannot initiate the reconfiguration. When a member exceeds the expel timeout and is expelled from the group, ... In MySQL Group Replication, a set of servers forms a replication ...
https://dev.mysql.com/doc/refman/8.4/en/innodb-online-ddl-limitations.html
A long running or inactive transaction that holds a metadata lock on the table can cause an online DDL operation to timeout. When running an in-place online DDL operation, the thread that runs the ALTER TABLE statement applies an online log of DML ... The following limitations apply to online DDL operations: The table is copied when creating an index on a TEMPORARY ...
https://dev.mysql.com/doc/refman/8.4/en/server-configuration.html
The MySQL server, mysqld, has many command options and system variables that can be set at startup to configure its operation. To determine the default command option and system variable values used by the server, execute this command: $> mysqld ...
https://dev.mysql.com/doc/refman/8.4/en/mysqlcheck.html
--skip-write-binlog adds NO_WRITE_TO_BINLOG to these statements --zstd-compression-level Compression level for connections to server that use zstd compression --help, -? Command-Line Format --help Display a help message and exit. The mysqlcheck ...
https://dev.mysql.com/doc/connectors/en/connector-net-async-methods.html
Requirements Async-Await support requires .NET Framework 4.5 or later TAP support requires .NET Framework 4.0 or later MySQL Connector/NET 6.9 or later Methods The following methods can be used with either TAP or Async-Await. private async void ...
https://dev.mysql.com/doc/connector-net/en/connector-net-async-methods.html
Requirements Async-Await support requires .NET Framework 4.5 or later TAP support requires .NET Framework 4.0 or later MySQL Connector/NET 6.9 or later Methods The following methods can be used with either TAP or Async-Await. private async void ...
https://dev.mysql.com/doc/internals/en/debug-sync-point.html
open_tables(...) DBUG_SYNC_POINT("debug_lock.after_open_tables", 10); lock_tables(...) The synchronization points behave similar to RELEASE_LOCK(<whatever the thread has>); IS_FREE_LOCK(str) OR (GET_LOCK(str,timeout) AND RELEASE_LOCK(str)) This ...
https://dev.mysql.com/doc/internals/en/syntax-debug-sync-values.html
The string to "assign" to the DEBUG_SYNC variable can contain: {RESET | <sync point name> TEST | <sync point name> CLEAR | <sync point name> {{SIGNAL <signal name> | WAIT_FOR <signal name> [TIMEOUT <seconds>] [NO_CLEAR_EVENT]} [EXECUTE <count>] &| ...This means that one of the sections separated by '&|' must be present or both of ...
https://dev.mysql.com/doc/ndbapi/en/ndb-error-classifications.html
The following table lists the classification codes used for NDB API errors, and their descriptions. These can also be found in the file /storage/ndb/src/ndbapi/ndberror.cpp (NDB 7.6 and earlier: ndberror.c). Table 2.83 Classification codes for NDB ...