MySQL Cluster Log Messages
1672
Cluster”
. These log messages also correspond to log event types in the MGM API; see
The
Ndb_logevent_type
Type
, for related information of interest to Cluster API developers.
Log Message.
Node mgm_node_id: Node
data_node_id Connected
Description.
The data node having node ID
node_id
has connected to the management server (node
mgm_node_id
).
Event Name.
Connected
Event Type.
Connection
Priority.
8
Severity.
INFO
Log Message.
Node mgm_node_id: Node
data_node_id Disconnected
Description.
The data node having node ID
data_node_id
has disconnected from the management
server (node
mgm_node_id
).
Event Name.
Disconnected
Event Type.
Connection
Priority.
8
Severity.
ALERT
Log Message.
Node data_node_id:
Communication to Node api_node_id closed
Description.
The API node or SQL node having node ID
api_node_id
is no longer communicating with data node
data_node_id
.
Event Name.
CommunicationClosed
Event Type.
Connection
Priority.
8
Severity.
INFO
Log Message.
Node data_node_id:
Communication to Node api_node_id opened
Description.
The API node or SQL node having node
ID
api_node_id
is now communicating with data node
data_node_id
.
Event Name.
CommunicationOpened
Event Type.
Connection
Priority.
8
Severity.
INFO
Log Message.
Node mgm_node_id: Node
api_node_id: API version
Description.
The API node having node ID
api_node_id
has connected to management node
mgm_node_id
using
NDB
API version
version
(generally
the same as the MySQL version number).
Event Name.
ConnectedApiVersion
Event Type.
Connection
Priority.
8
Severity.
INFO
Log Message.
Node node_id: Global checkpoint
gci started
Description.
A global checkpoint with the ID
gci
has
been started; node
node_id
is the master responsible for
this global checkpoint.
Event Name.
GlobalCheckpointStarted
Event Type.
Checkpoint
Priority.
9
Severity.
INFO
Log Message.
Node node_id: Global checkpoint
gci completed
Description.
The global checkpoint having the ID
gci
has been completed; node
node_id
was the master
responsible for this global checkpoint.
Event Name.
GlobalCheckpointCompleted
Event Type.
Checkpoint
Priority.
10
Severity.
INFO
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