Github user revans2 commented on the pull request:
https://github.com/apache/incubator-storm/pull/103#issuecomment-43632986
@clockfly,
Your logic makes since to me on why these calls are blocking. My biggest
concern around the blocking is in the case of a worker crashing. If a single
worker crashes this can block the entire topology from executing until that
worker comes back up. In some cases I can see that being something that you
would want. In other cases I can see speed being the primary concern and some
users would like to get partial data fast, rather then accurate data later.
Could we make it configurable on a follow up JIRA where we can have a max
limit to the buffering that is allowed, before we block, or throw data away
(which is what zeromq does)?
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