Robert Joseph Evans created STORM-2422:
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Summary: 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
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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