pgd cluster show v5.7
Synopsis
The pgd cluster show
command is used to display the cluster-level information in the EDB Postgres Distributed cluster.
Syntax
pgd cluster show [OPTIONS]
Options
The following table lists the options available for the pgd cluster show
command:
Short | Long | Description |
---|---|---|
--clock-drift | Only show detailed clock drift information. | |
--summary | Only show cluster summary information. | |
--health | Only show cluster health information. |
Only one of the above options can be specified at a time.
See also Global Options.
Clock Drift
Please note that the current implementation of clock drift may return an inaccurate value if the cluster is under high load while running this command or has large number of nodes in it.
Symbol | Meaning |
---|---|
* | ok |
~ | warning (drift > 2 seconds) |
! | critical (drift > 5 seconds) |
x | down / unreachable |
? | unknown |
- | not applicable |
Examples
Display the cluster information
pgd cluster show
Output
# Summary Group Name Parent Group Group Type Node Name Node Kind ------------- ------------- ---------- --------- --------- democluster global dc1_subgroup democluster data kaboom data dc1_subgroup democluster data kaftan data dc1_subgroup democluster data kaolin data # Health Check Status Details ----------------- ------ ----------------------------------------------- Connections Ok All BDR nodes are accessible Raft Ok Raft Consensus is working correctly Replication Slots Ok All PGD replication slots are working correctly Clock Skew Ok Clock drift is within permissible limit Versions Ok All nodes are running the same PGD version # Clock Drift Reference Node Node Name Clock Drift -------------- --------- ----------- kaftan kaboom * kaftan kaolin *