Oracle 5.0 Reference Manual page 1575

• 2: Indicates a low-priority node which be used as an arbitrator only if a node with a higher priority
is not available for that purpose.
Normally, the management server should be configured as an arbitrator by setting its
ArbitrationRank
default for SQL nodes).
•
ArbitrationDelay
Effective Version
MySQL 5.0.0
Restart Type: N
An integer value which causes the management server's responses to arbitration requests to be
delayed by that number of milliseconds. By default, this value is 0; it is normally not necessary to
change it.
•
DataDir
Effective Version
MySQL 5.0.0
Restart Type: N
This specifies the directory where output files from the management server will be placed. These
files include cluster log files, process output files, and the daemon's process ID (PID) file. (For
log files, this location can be overridden by setting the
discussed previously in this section.)
The default value for this parameter is the directory in which
17.3.2.5. Defining MySQL Cluster Data Nodes
The
[ndbd]
nodes.
There are many parameters which control buffer sizes, pool sizes, timeouts, and so forth. The only
mandatory parameters are:
• Either
ExecuteOnComputer
• The parameter NoOfReplicas, which must be defined in
common to all Cluster data nodes.
Most data node parameters are set in the
stated as being able to set local values are permitted to be changed in the
present, HostName,
MySQL Cluster Configuration Files
to 1 (the default for management nodes) and those for all SQL nodes to 0 (the
Type/Units
milliseconds
Type/Units
path
Note
After making changes in a management node's configuration, it is necessary to
perform a rolling restart of the cluster for the new configuration to take effect.
To add new management servers to a running MySQL Cluster, it is also
necessary to perform a rolling restart of all cluster nodes after modifying any
existing
config.ini
using multiple management nodes, see
to Multiple MySQL Cluster
and
[ndbd default]
or HostName, which must be defined in the local
and
Id ExecuteOnComputer
Default
0
Default
.
FILE
files. For more information about issues arising when
Section 17.1.5.9, "Limitations Relating
Nodes".
sections are used to configure the behavior of the cluster's data
[ndbd default]
must be defined in the local
1555
Range/Values
0 - 4G
Range/Values
...
parameter for
LogDestination
is located.
ndb_mgmd
[ndbd]
the[ndbd default]section, as it is
section. Only those parameters explicitly
[ndbd]
[ndbd]
as
section.
section. Where
section, and