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https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-installation.html
NDB 9.7 supports IPv6 for connections between all NDB Cluster nodes. The result is that each data node connects to the management server, but cannot tell when any other data nodes have connected, and so the data nodes appear to hang while starting.
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-limitations-multiple-nodes.html
When using multiple management servers: If any of the management servers are running on the same host, you must give nodes explicit IDs in connection strings because automatic allocation of node IDs does not work across multiple management servers ...The following are issues relating to the use of multiple MySQL servers as NDB Cluster SQL nodes, and are specific to the NDBCLUSTER storage engine: Stored programs not ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-mgm-definition.html
The node ID for this node can be given out only to connections that explicitly request it. (NDB 9.7.0) If this parameter is set to true, a client, once connected to this management node, must be authenticated using TLS before the connection can be ... The [ndb_mgmd] section is used to configure the behavior of the management ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-arbitrator-validity-summary.html
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 nodes are connected, but do not agree on the same arbitrator. arb_connected shows whether this node is connected to the ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo.html
ndbinfo is included with NDB Cluster support in the MySQL Server; no special compilation or configuration steps are required; the tables are created by the MySQL Server when it connects to the cluster. NDB Cluster also maintains tables in the ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-overview-requirements.html
For communication between nodes, NDB Cluster supports TCP/IP networking in any standard topology, and the minimum expected for each host is a standard 100 Mbps Ethernet card, plus a switch, hub, or router to provide network connectivity for the ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-programs-ndb-error-reporter.html
ndb_error_reporter also accepts the options listed here: --connection-timeout=timeout Command-Line Format --connection-timeout=# Type Integer Default Value 0 Wait this many seconds when trying to connect to nodes before timing out.
https://dev.mysql.com/doc/refman/9.7/en/mysqld-safe.html
--port=port_num Command-Line Format --port=number Type Numeric The port number that the server should use when listening for TCP/IP connections. --socket=path Command-Line Format --socket=file_name Type File name The Unix socket file that the server ... mysqld_safe is the recommended way to start a mysqld server on ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-setup-metrics-table.html
row *************************** NAME: ssl_finished_accepts METER: mysql.x METRIC_TYPE: ASYNC COUNTER NUM_TYPE: INTEGER UNIT: DESCRIPTION: The number of successful SSL connections to the server (Mysqlx_ssl_finished_accepts) ... row ... The ...
https://dev.mysql.com/doc/refman/9.7/en/performance-schema-status-monitoring.html
Other mutexes have an instance per connection, or per page in various caches and data buffers, so the number of instances varies over time. Increasing the maximum number of connections or the maximum size of some buffers increases the maximum number ...Names for these variables have several forms: Performance_schema_xxx_classes_lost indicates how many instruments of type xxx could not be ...