Search Results
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-print-frag-file.html
It is intended for use in helping to diagnose issues with data node restarts. Each fragment file contains records of the fragments belonging to each NDB table. For more information about cluster fragment files, see NDB Cluster Data Node File System ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-print-schema-file.html
Usage ndb_print_schema_file file_name file_name is the name of a cluster schema file. For more information about cluster schema files, see NDB Cluster Data Node File System Directory. Like ndb_print_backup_file and ndb_print_sys_file (and unlike ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-print-sys-file.html
ndb_print_sys_file obtains diagnostic information from an NDB Cluster system file. Usage ndb_print_sys_file file_name file_name is the name of a cluster system file (sysfile). Cluster system files are located in a data node's data directory ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-redo-log-reader.html
Reads a redo log file, checking it for errors, printing its contents in a human-readable format, or both. ndb_redo_log_reader is intended for use primarily by NDB Cluster developers and Support personnel in debugging and diagnosing problems. This ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-secretsfile-reader.html
ndb_secretsfile_reader gets the encryption key from an NDB encryption secrets file, given the password. Usage ndb_secretsfile_reader options file The options must include one of --filesystem-password or --filesystem-password-from-stdin, and the ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-waiter.html
ndb_waiter repeatedly (each 100 milliseconds) prints out the status of all cluster data nodes until either the cluster reaches a given status or the --timeout limit is exceeded, then exits. By default, it waits for the cluster to achieve STARTED ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndbmtd.html
ndbmtd is a multithreaded version of ndbd, the process that is used to handle all the data in tables using the NDBCLUSTER storage engine. ndbmtd is intended for use on host computers having multiple CPU cores. Command-line options and configuration ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-two-channels.html
First, the mysqld processes for the primary and secondary replication source servers must be started, followed by those for the primary and secondary replicas. In a more complete example scenario, we envision two replication channels to provide ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-shm-definition.html
Communications between NDB cluster nodes are normally handled using TCP/IP. The shared memory (SHM) transporter is distinguished by the fact that signals are transmitted by writing in memory rather than on a socket. The shared-memory transporter ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-start-phases.html
This section provides a simplified outline of the steps involved when NDB Cluster data nodes are started. More complete information can be found in NDB Cluster Start Phases, in the NDB Internals Guide. These phases are the same as those reported in ...