Event action types
The event action type can be one of a number of operations performed by OpsCenter.
OpsCenter stores the event data it receives in two column families in the
OpsCenter keyspace.
Events
The action value for an event is one of the events listed in this table. Data
for these events is stored in the events and events_timeline
column families in the OpsCenter keyspace:
| Event | Code | Description |
|---|---|---|
COMPACTION |
0 | Major compaction has occurred. |
CLEANUP |
1 | Unused keys have been removed or cleaned up. |
REPAIR |
2 | A repair operation has been initiated. |
FLUSH |
3 | Memtables have been flushed to disk. |
DRAIN |
4 | The commit log has been emptied, or drained. |
DECOMMISSION |
5 | A leaving node has streamed its data to another node. |
MOVE |
6 | Like NODE_MOVE; a new token range has been assigned. |
NODE_DOWN |
13 | A node has stopped responding. |
NODE_UP |
14 | An unresponsive node has recovered. |
NODE_LEFT |
15 | A node has left, or been removed from, the ring. |
NODE_JOIN |
16 | A node has joined the ring. |
NODE_MOVE |
17 | A node has been assigned a new token range (the token has moved). |
OPSC_UP |
18 | OpsCenter has been started and is operating. |
OPSC_DOWN |
19 | OpsCenter was stopped or stopped running. |
GC |
20 | Java garbage collection has been initiated. |