Github user mccheah commented on the issue:
https://github.com/apache/spark/pull/21748
@echarles it's highly likely your pods cannot communicate to your driver's
host because of some network partition or a firewall issue. The specific steps
you would have to take to fix that issue will depend in large part on how your
hardware is set up. I don't know how much specific guidance I can give without
knowing the specifics of your networking layout, but using some network
diagnostics tooling would help. I would suggest for example trying to run a
bash pod and exec into it, and to ping the host your driver would be running on
- run some instrumentation and go from there.
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