Github user HeartSaVioR commented on the issue: https://github.com/apache/storm/pull/1574 @revans2 If we can guarantee that leader nimbus has all topologies code, leader nimbus can function well. Old code is based on this assumption, not considering followers and also not about code distribution. It should be eventually distributed since each nimbus runs sync-code / sync-blob periodically to try to sync up. In leader nimbus' point of view I think old code is consistent, and this code is trying to have same guarantee.
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