NAME ndctl-create-namespace – provision or reconfigure a namespace SYNOPSIS ndctl create-namespace [<options>] DESCRIPTION A REGION, after resolving DPA aliasing and LABEL specified boundaries, surfaces one or more "namespace" devices. The arrival of a "namespace" device currently triggers either the nd_blk or nd_pmem driver to load and register a disk/block device. EXAMPLES Create a maximally sized…
NAME ndbd_redo_log_reader – check and print content of cluster redo log SYNOPSIS ndbd_redo_log_reader file_name [options] DESCRIPTION Reads a redo log file, checking it for errors, printing its contents in a human-readable format, or both. ndbd_redo_log_reader is intended for use primarily by MySQL developers and support personnel in debugging and diagnosing problems. This utility was made…
NAME ndb_waiter – wait for MySQL Cluster to reach a given status SYNOPSIS ndb_waiter options DESCRIPTION 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…
NAME ndb_show_tables – display list of NDB tables SYNOPSIS ndb_show_tables [options] DESCRIPTION ndb_show_tables displays a list of all NDB database objects in the cluster. By default, this includes not only both user-created tables and NDB system tables, but NDB-specific indexes, internal triggers, and MySQL Cluster Disk Data objects as well. The following table includes options…
NAME ndb_select_all – print rows from an NDB table SYNOPSIS ndb_select_all -c connect_stringtbl_name -d db_name [> file_name] DESCRIPTION ndb_select_all prints all rows from an NDB table to stdout. Usage: ndb_select_all -c connect_string tbl_name -d db_name [> file_name] Additional Options: * –lock=lock_type, -l lock_type Employs a lock when reading the table. Possible values for lock_type are:…
NAME ndb_restore – restore a MySQL Cluster backup SYNOPSIS ndb_restore options DESCRIPTION The cluster restoration program is implemented as a separate command-line utility ndb_restore, which can normally be found in the MySQL bin directory. This program reads the files created as a result of the backup and inserts the stored information into the database. ndb_restore…
NAME ndb_print_sys_file – print NDB system file contents SYNOPSIS ndb_print_sys_file file_name DESCRIPTION ndb_print_sys_file obtains diagnostic information from a MySQL 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 (DataDir); the path under this directory to system files…
NAME ndb_print_schema_file – print NDB schema file contents SYNOPSIS ndb_print_schema_file file_name DESCRIPTION ndb_print_schema_file obtains diagnostic information from a cluster schema file. 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 m[blue]Cluster Data Node FileSystemDir Filesm[][1]. Like ndb_print_backup_file and ndb_print_sys_file (and unlike most of the…
NAME ndb_print_backup_file – print NDB backup file contents SYNOPSIS ndb_print_backup_file file_name DESCRIPTION ndb_print_backup_file obtains diagnostic information from a cluster backup file. 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…
NAME ndb_mgm – the MySQL Cluster management client SYNOPSIS ndb_mgm options DESCRIPTION The ndb_mgm management client process is actually not needed to run the cluster. Its value lies in providing a set of commands for checking the cluster’s status, starting backups, and performing other administrative functions. The management client accesses the management server using a…
NAME ndb_error_reporter – NDB error-reporting utility SYNOPSIS ndb_error_reporter options DESCRIPTION ndb_error_reporter creates an archive from data node and management node log files that can be used to help diagnose bugs or other problems with a cluster. It is highly recommended that you make use of this utility when filing reports of bugs in MySQL Cluster….
NAME ndb_drop_table – drop an NDB table SYNOPSIS ndb_drop_table options DESCRIPTION ndb_drop_table drops the specified NDB table. (If you try to use this on a table created with a storage engine other than NDB, it fails with the error 723: No such table exists.) This operation is extremely fast — in some cases, it can…
NAME ndb_drop_index – drop index from an NDB table SYNOPSIS ndb_drop_index options DESCRIPTION ndb_drop_index drops the specified index from an NDB table. It is recommended that you use this utility only as an example for writing NDB API applications — see the Warning later in this section for details. Usage: ndb_drop_index -c connect_string table_name index…
NAME ndb_desc – describe NDB tables SYNOPSIS ndb_desc options DESCRIPTION ndb_desc provides a detailed description of one or more NDB tables. Usage: ndb_desc -c connect_string tbl_name -d db_name [-p] Sample Output: MySQL table creation and population statements: USE test; CREATE TABLE fish( id INT(11) NOT NULL AUTO_INCREMENT, name VARCHAR(20) NOT NULL, length_mm INT(11) NOT NULL,…
NAME ndb_delete_all – delete all rows from an NDB table SYNOPSIS ndb_delete_all options DESCRIPTION ndb_delete_all deletes all rows from the given NDB table. In some cases, this can be much faster than DELETE or even TRUNCATE TABLE. Usage: ndb_delete_all -c connect_string tbl_name -d db_name This deletes all rows from the table named tbl_name in the…
NAME ndb_config – extract MySQL Cluster configuration information SYNOPSIS ndb_config options DESCRIPTION This tool extracts current configuration information for data nodes, SQL nodes, and API nodes from a cluster management node (and possibly its config.ini file). Beginning with MySQL Cluster NDB 6.3.25 and MySQL Cluster NDB 7.0.6, it can also provide an offline dump (in…
NAME ncwa – netCDF Weighted Averager SYNTAX ncwa [-3] [-4] [-6] [-7] [-A] [-a dim[,…]] [-B mask_cond] [-b] [–bfr sz][-C][-c][–cnk_byt sz][–cnk_dmn nm,sz] [–cnk_map map] [–cnk_plc plc] [–cnk_scl sz][-D dbg_lvl] [-d dim,[ min][,[ max]]] [–dbl|flt] [-F] [-G gpe_dsc] [-g grp[,…]] [-h] [–hdf] [–hdr_pad sz] [-I] [-L dfl_lvl][-l path] [-M val] [-m mask] [-N] [–no_cll_mth] [–no_tmp_fl] [-O]…
NAME ncview – graphically display netCDF files under X windows SYNOPSIS ncview [-beep] [-copying] [-frames] [-warranty] [-private] [-ncolors XX] [-extrainfo] [-mtitle "title"] [-minmax fast | med | slow | all] datafiles … DESCRIPTION Ncview displays 2-D slices of a netCDF data file, using the X Window System graphical user interface (Release 4 or higher). You…
NAME ncursesw6-config – helper script for ncurses libraries SYNOPSIS ncursesw6-config [options] DESCRIPTION This is a shell script which simplifies configuring applications against a particular set of ncurses libraries. OPTIONS –prefix echos the package-prefix of ncurses –exec-prefix echos the executable-prefix of ncurses –cflags echos the C compiler flags needed to compile with ncurses –libs echos the…
NAME ncursesw6-config – helper script for ncurses libraries SYNOPSIS ncursesw6-config [options] DESCRIPTION This is a shell script which simplifies configuring applications against a particular set of ncurses libraries. OPTIONS –prefix echos the package-prefix of ncurses –exec-prefix echos the executable-prefix of ncurses –cflags echos the C compiler flags needed to compile with ncurses –libs echos the…