Oracle 5.0 Reference Manual page 1686

17.5.6.2. MySQL Cluster Log Events
An event report reported in the event logs has the following format:
datetime [string]
For example:
09:19:30 2005-07-24 [NDB] INFO -- Node 4 Start phase 4 completed
This section discusses all reportable events, ordered by category and severity level within each
category.
In the event descriptions, GCP and LCP mean "Global Checkpoint" and "Local Checkpoint",
respectively.
CONNECTION
These events are associated with connections between Cluster nodes.
Event
data nodes connected
data nodes disconnected
Communication closed
Communication opened
CHECKPOINT
The logging messages shown here are associated with checkpoints.
Event
LCP stopped in calc keep GCI
Local checkpoint fragment
completed
Global checkpoint completed
Global checkpoint started
Local checkpoint completed
Local checkpoint started
Report undo log blocked
Events
STARTUP
The following events are generated in response to the startup of a node or of the cluster and of its
success or failure. They also provide information relating to the progress of the startup process,
including information concerning logging activities.
Event
Internal start signal received
STTORRY
Event Reports Generated in MySQL Cluster
severity -- message
Events
Events
Priority Severity Description
Level
8 Data nodes connected
INFO
8 Data nodes disconnected
INFO
8 SQL node or data node connection closed
INFO
8 SQL node or data node connection opened
INFO
Priority Severity Description
Level
0 LCP stopped
ALERT
11 LCP on a fragment has been completed
INFO
10 GCP finished
INFO
9 Start of GCP: REDO log is written to disk
INFO
8 LCP completed normally
INFO
7 Start of LCP: data written to disk
INFO
7 UNDO logging blocked; buffer near overflow
INFO
Priority Severity Description
Level
15 Blocks received after completion of restart
INFO
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