MySQL 8.0 Reference Manual Including MySQL NDB Cluster 8.0

22.4.31 Options Common to NDB Cluster Programs — Options Common to NDB Cluster Programs

All NDB Cluster programs accept the options described in this section, with the following exceptions:

Note

Users of earlier NDB Cluster versions should note that some of these options have been changed to make them consistent with one another, and also with mysqld. You can use the --help option with any NDB Cluster program—with the exception of ndb_print_backup_file, ndb_print_schema_file, and ndb_print_sys_file—to view a list of the options which the program supports.

The options in the following table are common to all NDB Cluster executables (except those noted previously in this section).

Table 22.305 Command-line options common to all MySQL NDB Cluster programs

Format Description Added, Deprecated, or Removed

--character-sets-dir=dir_name

Directory where character sets are installed

All NDB 8.0 releases

--connect-retries=#

Set the number of times to retry a connection before giving up

All NDB 8.0 releases

--connect-retry-delay=#

Time to wait between attempts to contact a management server, in seconds

All NDB 8.0 releases

--core-file

Write core on errors (defaults to TRUE in debug builds)

All NDB 8.0 releases

--debug=options

Enable output from debug calls. Can be used only for versions compiled with debugging enabled

All NDB 8.0 releases

--defaults-extra-file=filename

Read this file after global option files are read

All NDB 8.0 releases

--defaults-file=filename

Read default options from this file

All NDB 8.0 releases

--defaults-group-suffix

Also read groups with names ending in this suffix

All NDB 8.0 releases

--help,

--usage,

-?

Display help message and exit

All NDB 8.0 releases

--login-path=path

Read this path from the login file

All NDB 8.0 releases

--ndb-connectstring=connectstring,

--connect-string=connectstring,

-c

Set connection string for connecting to ndb_mgmd. Syntax: [nodeid=<id>;][host=]<hostname>[:<port>]. Overrides entries specified in NDB_CONNECTSTRING or my.cnf.

All NDB 8.0 releases

--ndb-mgmd-host=host[:port]

Set the host (and port, if desired) for connecting to management server

All NDB 8.0 releases

--ndb-nodeid=#

Set node id for this node

All NDB 8.0 releases

--ndb-optimized-node-selection

Select nodes for transactions in a more optimal way

All NDB 8.0 releases

--no-defaults

Do not read default options from any option file other than login file

All NDB 8.0 releases

--print-defaults

Print the program argument list and exit

All NDB 8.0 releases

--version,

-V

Output version information and exit

All NDB 8.0 releases


For options specific to individual NDB Cluster programs, see Section 22.4, “NDB Cluster Programs”.

See Section 22.3.3.9.1, “MySQL Server Options for NDB Cluster”, for mysqld options relating to NDB Cluster.