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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-logging-management-commands.html
Table 25.54 Cluster log categories, with default threshold setting Category Default threshold (All data nodes) STARTUP 7 SHUTDOWN 7 STATISTICS 7 CHECKPOINT 7 NODERESTART 7 CONNECTION 8 ERROR 15 INFO 7 BACKUP 15 CONGESTION 7 SCHEMA 7 The STATISTICS ... ndb_mgm supports a number of management commands related to the cluster log and node ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-params-other.html
The following parameters apply to the config.ini file's [tcp] section: AllowUnresolvedHostNames: When false (default), failure by management node to resolve host name results in fatal error; when true, unresolved host names are reported as warnings ... The listings in this section provide information about parameters used in the [computer], [tcp], and [shm] sections of a config.ini file for configuring NDB ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-drop-index.html
--core-file Command-Line Format --core-file Removed 8.0.31 Write core file on error; used in debugging. It is recommended that you use this utility only as an example for writing NDB API applications—see the Warning later in this section for ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-installer-workflow.html
This includes defining custom file paths for the error log, general log, slow query log (including the configuration of seconds it requires to execute a query), and the binary log. The Logging Options step enables you to define custom file paths for ... MySQL Installer provides a wizard-like tool to install and configure new MySQL products for ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-upgrade.html
An error occurs if a sys schema exists but has no version view, on the assumption that its absence indicates a user-created schema: A sys schema exists with no sys.version view. If the file does not exist or is otherwise inaccessible, an error ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-transaction-tables.html
Configuring Transaction Event Collection Transaction Boundaries Transaction Instrumentation Transactions and Nested Events Transactions and Stored Programs Transactions and Savepoints Transactions and Errors Configuring Transaction Event Collection ...Within the event hierarchy, wait events nest within stage events, which nest within statement events, which nest within transaction ...
https://dev.mysql.com/doc/refman/8.0/en/query-log.html
The general query log can be very useful when you suspect an error in a client and want to know exactly what the client sent to mysqld. Note If you specify the TABLE log destination, see Log Tables and “Too many open files” Errors. An ... The ...
https://dev.mysql.com/doc/refman/8.0/en/repair-table.html
Possible causes include but are not limited to file system errors. In this case, the result set returned by REPAIR TABLE contains a line with a Msg_type value of error and a Msg_text value of Failed repairing incompatible .FRM file. Column Value ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-transaction-inconsistencies.html
If the error is in a mixed transaction, that transaction is half-applied. When using a multithreaded replica, workers which have not received an error complete their queues, so it may take time to stop all threads. This ensures it never leaves gaps ... Inconsistencies in the sequence of transactions that have been executed from the relay log can occur depending on your replication ...
https://dev.mysql.com/doc/refman/8.0/en/replication-privilege-checks-recover.html
Details of the error and the last applied transaction are recorded in the Performance Schema replication_applier_status_by_worker table. Follow this procedure to recover from the error: Identify the replicated event that caused the error and verify ... If a privilege check against the PRIVILEGE_CHECKS_USER account fails, the transaction is not executed and replication stops for the ...