ReplicaSet Summary does not show node that is down
Description
How to test
FB -> PMM-13360-show-node-down (FB) by YashSartanpara1 · Pull Request #3785 · Percona-Lab/pmm-submodules
This FB includes the changes from https://perconadev.atlassian.net/browse/PMM-13418 so both can eb tested together
Run an instance with replicaset and cluster
Check replicaset and cluster summary dashboard for replset states panels
Now bring down any one node (down means db.shutdownserver() or any other command)
Check the panel if the Down State is showing in the panel. (color should be red)
Check cluster summary dashboard → versions panel, version of the down node should be visible
(currently Excluding MongoS versions from this story)
How to document
Update the replicaset summary dashboard images if any.
To be confirmed if any other documentation required.
AFFECTED CS IDs
Attachments
- 04 Dec 2024, 03:26 PM
- 12 Sep 2024, 09:51 AM
- 12 Sep 2024, 09:51 AM
- 12 Sep 2024, 09:51 AM
- 12 Sep 2024, 09:51 AM
- 12 Sep 2024, 09:51 AM
Smart Checklist
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Catalina Adam January 9, 2025 at 10:29 AM
Documentation updated with https://github.com/percona/pmm/pull/3431/commits/9ccfb346f3aabc634921d68b249fa1222f19670c
Nailya Kutlubaeva December 16, 2024 at 8:26 AM
@Yash Sartanpara @Santo Leto should I create the ticket for fixing Replete on Summary dashboard? Or Maybe you @Santo Leto will create the ticket for refactoring MongoDB Summary dashboard?
Nailya Kutlubaeva December 4, 2024 at 3:26 PM
@Yash Sartanpara I see that there is no any status displayed on Summary dashboard if the node is down. Should the fix include Summary dashboard?
The ReplicaSet Summary dashboard shows ReplSet States and MongoDB Versions. It works fine when all nodes are available, but when a node is down:
The node disappears from ReplSet States when it goes past the selected metrics window
It disappears from the MongoDB Versions list. It should still be visible there (last version information available). For this point 2, for MongoS, a spin-off ticket has been created: PMM-13580: Show the version info when MongoS is down To Do.
Possible help for implementation here: PMM-12349: ReplicaSet Summary shows wrong data when a node is goneDone
See the screenshots for more details