PDF (US Ltr)
- 43.2Mb
PDF (A4)
- 43.3Mb
Man Pages (TGZ)
- 295.2Kb
Man Pages (Zip)
- 400.4Kb
Info (Gzip)
- 4.3Mb
Info (Zip)
- 4.3Mb
Search Results
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-arbitrator-validity-summary.html
The arbitrator_validity_summary table provides a composite view of the arbitrator with regard to the cluster's data nodes. If it has more than 1 row for longer than a few moments, then either not all nodes are connected to the arbitrator, or all ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-counters.html
ATTRINFO keeps a count of the number of times an interpreted program is sent to the data node. The counters table provides running totals of events such as reads and writes for specific kernel blocks and data nodes. Counts are kept from the most ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-params-mgmd.html
HeartbeatIntervalMgmdMgmd: Time between management-node-to-management-node heartbeats; connection between management nodes is considered lost after 3 missed heartbeats. The listing in this section provides information about parameters used in the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-params-other.html
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 Cluster. For detailed descriptions and additional information about individual parameters, ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-start-phases.html
This occurs either when the cluster started for the very first time, or when all data nodes are restarted using the --initial option. This section provides a simplified outline of the steps involved when NDB Cluster data nodes are started. More ...
https://dev.mysql.com/doc/refman/8.0/en/error-lost-connection.html
Sometimes the “during query” form happens when millions of rows are being sent as part of one or more queries. If you know that this is happening, you should try increasing net_read_timeout from its default of 30 seconds to 60 seconds or longer, ...Usually it indicates network connectivity trouble and you should check the condition of your network if this error occurs ...
https://dev.mysql.com/doc/refman/8.0/en/faqs.html
...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-backup-configuration.html
Five configuration parameters are essential for backup: BackupDataBufferSize The amount of memory used to buffer data before it is written to disk. BackupLogBufferSize The amount of memory used to buffer log records before these are written to disk. BackupMemory The total memory allocated in a data node for ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-backup-parallel-data-nodes.html
It is possible in NDB 8.0 to take a backup with multiple local data managers (LDMs) acting in parallel on the data nodes. For this to work, all data nodes in the cluster must use multiple LDMs, and each data node must use the same number of LDMs.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-backup-troubleshooting.html
If an error code is returned when issuing a backup request, the most likely cause is insufficient memory or disk space. You should check that there is enough memory allocated for the backup. Important If you have set BackupDataBufferSize and ...