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https://issues.apache.org/jira/browse/STORM-2422?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15932614#comment-15932614
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Robert Joseph Evans commented on STORM-2422:
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[~kabhwan],
The only real thing to be careful with pulling it into another branch is making
sure to set the serialVersionUID correctly. I tested it for 2.x and I know
that it works. I think that 1.x will have the same ID as 2.x, but because we
were not specifying it before I really would want to check before back-porting.
> Serialized Trident topology size does not grow linerarly
> --------------------------------------------------------
>
> Key: STORM-2422
> URL: https://issues.apache.org/jira/browse/STORM-2422
> Project: Apache Storm
> Issue Type: Bug
> Components: trident
> Reporter: Robert Joseph Evans
> Assignee: Robert Joseph Evans
> Fix For: 2.0.0
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Many of the Trident bolts contain a serialized version of the entire trident
> graph. This means that as the size of the graph grows, and the number of
> bolts grows with it, that the serialized topology grows quadraticly.
> The bolt only uses a small portion of that graph so we can filter out most of
> that.
> As an extreme example a topology with 1000 Bolts (4000 nodes in the graph)
> can grow to be over 1GB in size. If we trim out the parts of the graph that
> are not needed the serialized topology is < 40MB in size.
> This is a backwards compatible change, because we are only stripping out data
> that is never touched by the bolt anyways.
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