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Bug
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Resolution: Done
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Blocker
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None
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False
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False
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No
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No
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No
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Yes
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None
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Description of problem:
With JupyterHub in HA, we now have 3 pods with 2 containers each. It is my understanding that only one of the 3 should have both containers running (the leader), while the other two should have only 1 and wait to become the leader.
In my OSD cluster, this is not the case. There are currently two pods acting as leader (both containers running) and only one waiting to become the new leader.
Prerequisites (if any, like setup, operators/versions):
RHODS 1.1.1-21 on OSD
Steps to Reproduce
- Install RHODS
- Check status of Jupyterhub pods/containers
Actual results:
Two pods acting as leaders
Expected results:
Only one leader
Reproducibility (Always/Intermittent/Only Once):
Currently seen on two different OSD clusters
Build Details:
RHODS 1.1.1-21 on OSD
Additional info:
Attaching screenshots of the pods and their logs.
- duplicates
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RHODS-1619 Fix potential issue on Jupyterhub HA leader election
- Closed
- is caused by
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RHODS-767 Scale JH to 3 pods with 1 persistent leader
- Closed
- is related to
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RHODS-1619 Fix potential issue on Jupyterhub HA leader election
- Closed