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Disable Comet if shuffle manager not registered #3900
Description
What is the problem the feature request solves?
I wonder if we should consider disabling Comet if the shuffle manager is not registered. I would not expect Comet to provide much benefit.
Describe the potential solution
No response
Additional context
No response
Activity
comphead commentedon Apr 8, 2026
We can probably refine the fallback message explaining benefits of having Comet shuffle. Disable Comet completely because of shuffle sounds too aggressive IMO: for example for scan testing sometimes I disable shuffle intentionally just to capture metrics before shuffle.
andygrove commentedon May 6, 2026
For testing it makes sense to allow all the combinations. For end user use, I am not so sure