SHOW FRONTENDS
Descriptionβ
This statement is used to view FE nodes.
tip
Only users with the SYSTEM-level OPERATE privilege or the cluster_admin
role can perform this operation.
Syntaxβ
SHOW FRONTENDS
Note:
- Name represents the name of FE node in BDBJE.
- Join being true means this node has already joined the cluster. But it does not mean that the node is still in the cluster, as it may be missing.
- Alive indicates whether the node survives.
- ReplayedJournalId represents the maximum metadata log ID that the node has currently replayed.
- LastHeartbeat is the latest heartbeat.
- IsHelper indicates whether the node is a helper node from BDBJE.
- ErrMsg is used to display error messages when the heartbeat fails.