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MySQL Cluster Administration Tools 0.3.1 (Default branch)

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Special Forums UNIX and Linux Applications High Performance Computing MySQL Cluster Administration Tools 0.3.1 (Default branch)
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Old 08-28-2008
MySQL Cluster Administration Tools 0.3.1 (Default branch)
The MyCAT project is a toolset for managing MySQL/Linux servers, and could be helpful for anyone managing a network of *nix servers whether running MySQL Cluster, standard replication, or not running MySQL at all. At present, it contains three programs. rcall eases use and administration of groups (clusters) of *nix servers by creating logical groupings and a single location from which to run commands on all servers while entering it only once. It requires only an SSH connection. rep_mon is a replication monitor that notifies if a server is lagging or has encountered any errors. It handles any replication topology easily. binlog_mon monitors disk space used by MySQL binary logs, purging only when disk space is needed. It checks all slaves to ensure that purged files are not still being read by slaves. It has configurable behavior in the event that a slave still needs the oldest file. License: GNU General Public License (GPL) Changes:
Critical bugs were fixed in both binlog_mon and rep_mon. Image

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LEARN ABOUT LINUX

ndb_delete_all

NDB_DELETE_ALL(1)					       MySQL Database System						 NDB_DELETE_ALL(1)

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 database named db_name. It is exactly equivalent to executing TRUNCATE
       db_name.tbl_name in MySQL.

       The following table includes options that are specific to ndb_delete_all. Additional descriptions follow the table. For options common to
       most MySQL Cluster programs (including ndb_delete_all), see Options Common to MySQL Cluster Programs(1).

       Table 17.16. ndb_delete_all Options and Variables: MySQL Cluster NDB 7.2
       +--------------------------+-----------------------------------+-------------------------------------+
       |Format			  | Description 		      | Added / Removed 		    |
       +--------------------------+-----------------------------------+-------------------------------------+
       |			  | Name of the database in which the | 				    |
       |       --database=dbname, | table is found		      |        All MySQL 5.5 based releases |
       |			  |				      | 				    |
       |       -d		  |				      | 				    |
       +--------------------------+-----------------------------------+-------------------------------------+
       |			  | Perform the delete in a single    | 				    |
       |       --transactional,   | transaction (may run out of       |        All MySQL 5.5 based releases |
       |			  | operations) 		      | 				    |
       |       -t		  |				      | 				    |
       +--------------------------+-----------------------------------+-------------------------------------+
       |			  | Run tup scan		      | 				    |
       |       --tupscan	  |				      |        All MySQL 5.5 based releases |
       +--------------------------+-----------------------------------+-------------------------------------+
       |			  | Run disk scan		      | 				    |
       |       --diskscan	  |				      |        All MySQL 5.5 based releases |
       +--------------------------+-----------------------------------+-------------------------------------+

       o   --transactional, -t

	   Use of this option causes the delete operation to be performed as a single transaction.

	       Warning
	       With very large tables, using this option may cause the number of operations available to the cluster to be exceeded.

COPYRIGHT

       Copyright (C) 1997, 2014, Oracle and/or its affiliates. All rights reserved.

       This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as
       published by the Free Software Foundation; version 2 of the License.

       This documentation is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

       You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation,
       Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or see http://www.gnu.org/licenses/.

SEE ALSO

       For more information, please refer to the MySQL Reference Manual, which may already be installed locally and which is also available online
       at http://dev.mysql.com/doc/.

AUTHOR

       Oracle Corporation (http://dev.mysql.com/).

MySQL 5.5							    01/30/2014							 NDB_DELETE_ALL(1)