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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-nodes.html
For each data node that is running in the cluster, a corresponding row in this table provides the node's node ID, status, and uptime. Notes The uptime column shows the time in seconds that this node has been running since it was last started or ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-transporters.html
In NDB 8.0.37 and later, you can obtain similar information about individual transporters from the transporter_details table. This information is shown in the table's status column, which can have any one of the following values: CONNECTING, ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-online-add-node-example.html
Note StartNoNodegroupTimeout must be the same for all data nodes in the cluster; for this reason, you should always set it in the [ndbd default] section of the config.ini file, rather than for individual data nodes. In this section we provide a ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-mta.html
NDB records all changes occurring in all user transactions committing in an epoch (TimeBetweenEpochs, default 100 milliseconds), in one binary log transaction, referred to as an epoch transaction. It may be possible or desirable to modify ...To use ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-schema.html
This works for these algorithms since they both map a WRITE_ROW event to an insert or update depending on whether the row already exists, and the required metadata (the “after” image for the timestamp column) is present in the “WRITE_ROW” ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-shm-definition.html
For optimum performance, you can define a spin time for the SHM transporter (ShmSpinTime parameter); this affects both the data node receiver thread and the poll owner (receive thread or user thread) in NDB. ShmSpinTime Version (or later) NDB 8.0.13 ... Communications between NDB cluster nodes are normally handled using ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-command-options.html
(See Section 8.2.16, “Server Handling of Expired Passwords”.) --connect-timeout=value Command-Line Format --connect-timeout=value Type Numeric Default Value 0 The number of seconds before connection timeout. However, if the connect command is ...
https://dev.mysql.com/doc/refman/8.0/en/optimizing-innodb-bulk-data-loading.html
For optimal performance when loading data into an InnoDB FULLTEXT index, follow this set of steps: Define a column FTS_DOC_ID at table creation time, of type BIGINT UNSIGNED NOT NULL, with a unique index named FTS_DOC_ID_INDEX. Note When adding ...
https://dev.mysql.com/doc/refman/8.0/en/pam-pluggable-authentication.html
With this plugin-loading method, the option must be given each time the server starts. If you installed the plugin at runtime using an INSTALL PLUGIN statement, it remains installed across server restarts. The PAM authentication plugin checks at ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-error-summary-tables.html
Each error summary table has these summary columns containing aggregated values: SUM_ERROR_RAISED This column aggregates the number of times the error occurred. SUM_ERROR_HANDLED This column aggregates the number of times the error was handled by an ... The Performance Schema maintains summary tables for aggregating statistical information about server errors (and ...