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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-perror.html
Usage ndb_perror [options] error_code ndb_perror does not need to access a running NDB Cluster, or any nodes (including SQL nodes). ndb_perror shows information about an NDB error, given its error code. This includes the error message, the type of ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-print-backup-file.html
Usage ndb_print_backup_file file_name file_name is the name of a cluster backup file. This can be any of the files (.Data, .ctl, or .log file) found in a cluster backup directory. These files are found in the data node's backup directory under the ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-print-file.html
Usage ndb_print_file [-v] [-q] file_name+ file_name is the name of an NDB Cluster Disk Data file. ndb_print_file obtains information from an NDB Cluster Disk Data file. Like ndb_print_schema_file and ndb_print_sys_file (and unlike most of the other ...
https://dev.mysql.com/doc/refman/5.7/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/5.7/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/5.7/en/mysql-cluster-programs-ndb-print-sys-file.html
Usage ndb_print_sys_file file_name file_name is the name of a cluster system file (sysfile). ndb_print_sys_file obtains diagnostic information from an NDB Cluster system file. Cluster system files are located in a data node's data directory ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs.html
For information about using mysqld as an NDB Cluster process, see Section 21.6.10, “MySQL Server Usage for NDB Cluster”. Using and managing an NDB Cluster requires several specialized programs, which we describe in this chapter. We discuss the ...
21.7.9.1 NDB Cluster Replication: Automating Synchronization of the Replica to the Source Binary Log
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-auto-sync.html
It is possible to automate much of the process described in the previous section (see Section 21.7.9, “NDB Cluster Backups With NDB Cluster Replication”). The following Perl script reset-replica.pl serves as an example of how you can do this.
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-conflict-resolution.html
You should also be aware that reflecting all operations from the secondary back to the primary increases the size of the primary's logbinary log, as well as demands on bandwidth, CPU usage, and disk I/O. Requirements Source Column Control Conflict ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-starting.html
However, the use of batching causes updates to be applied in batches of 32 KB each; this can result in higher throughput and less CPU usage, particularly where individual updates are relatively small. This section outlines the procedure for ...