Github user nchammas commented on the pull request:
https://github.com/apache/spark/pull/4262#issuecomment-71971574
> FWIW I actually found the dots useful to figure out how long the script
was going to wait before trying again
I find this useful too, but it doesn't work when we throw in the SSH
output, since the dots and SSH output mix. I could look into a solution for
that.
> Will we just see an SSH error message now in place ?
Now we'll just see 3 dots followed by the start of a cluster build if
everything goes well, and 3 dots followed by SSH output if something is
potentially broken (as in the example above). In the former case the wait time
until `ssh-ready` will still be printed as before.
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