Github user colorant commented on the pull request:
https://github.com/apache/incubator-spark/pull/611#issuecomment-35471622
code updated. Btw, I add the sleep 1000 there, while I am wondering, there
are zookeeper session time out, connection time etc. Seems to me then there
actually won't be case that leader gain and lost in a short time? or it
actually will happen?
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