Github user HeartSaVioR commented on the issue: https://github.com/apache/storm/pull/2242 Actually this issue is the subtask of topology online update, and topology version is expected to be set automatically to the increasing number. But I also think this patch doesn't hurt in any way. When we support online update and have version, we can just overwrite `topology.version` only if user doesn't set custom version string. Moreover, supporting version as label looks like good idea indeed. +1 on this. Thanks @Ethanlm
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