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https://dev.mysql.com/doc/refman/8.4/en/group-replication-system-variables.html
The remote cloning operation replaces the existing data dictionary on the joining member, but Group Replication checks and does not proceed if the joining member has additional transactions that are not present on the other group members, because ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-options-variables.html
--ndb-deferred-constraints=[0|1] Command-Line Format --ndb-deferred-constraints System Variable ndb_deferred_constraints Scope Global, Session Dynamic Yes SET_VAR Hint Applies No Type Integer Default Value 0 Minimum Value 0 Maximum Value 1 Controls ... This section provides information about MySQL server options, server and status variables that are specific to NDB ...
https://dev.mysql.com/doc/refman/8.4/en/upgrading-what-is-upgraded.html
Expect server startup to take longer with this option because the server checks all objects in all schemas. (It may be necessary to force step 2.) To prevent the sys schema check, start the server with the --upgrade=NONE or --upgrade=MINIMAL option.
https://dev.mysql.com/doc/mysql-shell/9.4/en/mysql-innodb-cluster-upgrade-rolling.html
Check the versions of the installed binaries: mysqlrouter --version: Checks the version of MySQL Router installed. Post Upgrade Status Check After upgrading MySQL Router, MySQL Shell, and MySQL Servers are upgraded: Check the Cluster by issuing ...
https://dev.mysql.com/doc/refman/8.4/en/ibd2sdi.html
For example: Usage: ./ibd2sdi [-v] [-c <strict-check>] [-d <dump file name>] [-n] filename1 [filenames] See http://dev.mysql.com/doc/refman/8.4/en/ibd2sdi.html for usage hints. --strict-check, -c Command-Line Format --strict-check=algorithm Type ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-ndbd-definition.html
(NDB 8.4.0) When true, enable partial local checkpoints: This means that each LCP records only part of the full database, plus any records containing rows changed since the last LCP; if no rows have changed, the LCP updates only the LCP control file ... The [ndbd] and [ndbd default] sections are used to configure the behavior of the cluster's data ...
https://dev.mysql.com/doc/refman/8.4/en/validate-password-options-variables.html
validate_password.check_user_name Command-Line Format --validate-password.check-user-name[={OFF|ON}] System Variable validate_password.check_user_name Scope Global Dynamic Yes SET_VAR Hint Applies No Type Boolean Default Value ON Whether ... This ...
https://dev.mysql.com/doc/mysql-shell/9.4/en/innodb-clusterset-failover.html
<ClassicSession:admin2@127.0.0.1:4410> mysql-js> myclusterset = dba.getClusterSet() <ClusterSet:testclusterset> Check the status of the whole deployment using AdminAPI's clusterSet.status() function in MySQL Shell. A primary cluster that is ... An ...
https://dev.mysql.com/doc/ndbapi/en/ndb-error-codes-single.html
Backup failed to setup fs buffers (check configuration) 1344 MySQL error. Backup failed to insert file header (check configuration) 1346 MySQL error. Backup failed to insert table list (check configuration) 1347 MySQL error. Backup failed to ...
https://dev.mysql.com/doc/heatwave/en/heatwave-errors.html
Workaround: Check and fix any more errors thrown for ORDER BY. Workaround: Check if you have a trigger that has a forced secondary engine statement. Workaround: Check for any errors or warnings related to operators, expressions, data types, etc.