[HoneyMonitor is a GUI for MySQL™. Server Administration, Database and Database Objects Administration, Code Development, Server Monitoring, Performance Monitoring, Performance Auditing. Read more on http://www.honeysoftware.com/] Contents

• Introduction
• Log File Group & UndoFiles
• TableSpaces & DataFiles
• Cluster Disk Objects Metadata
• Creating Cluster Disk Tables
• Dropping Cluster Disk Data Objects
• The Cluster Monitor
• Cluster Disk Data Limitations
• Cluster Disk Data Quiz
• Other Resources

1. Introduction

Cluster Disk Data is a new …

On Windows® - but I guess it’s the same on another O.S. that does not support cluster - I noticed the following behavior when trying to execute a CREATE LOGFILE GROUP syntax like this:

CREATE
 LOGFILE GROUP `test`
 ADD UNDOFILE ‘test’
 INITIAL_SIZE = 33M
 UNDO_BUFFER_SIZE = 8M
 ENGINE = NDBCLUSTER;

In v.5.1.25-rc, v.5.1.24-rc and v.5.1.23-rc, only SQL warnings are shown:

mysql> CREATE
    ->  LOGFILE GROUP `test`
    ->  ADD UNDOFILE ‘test’
    ->  INITIAL_SIZE = 33M
    ->  UNDO_BUFFER_SIZE = 8M
    ->  ENGINE = NDBCLUSTER;
Query OK, 0 rows affected, 2 warnings (0.01 sec)

mysql> SHOW WARNINGS;
…