Folks,

I was wondering what the failure support modes where for Spark while running
jobs

1. What happens when a master fails
2. What happens when a slave fails
3. Can you mid job add and remove slaves

Regarding the install on Meso, if I understand correctly the Spark master is
behind a Zookeeper quorum so that isolates the slaves from a master failure,
but what about the masters behind quorum?

Cheers
- Ian



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