Github user d2r commented on the pull request:
https://github.com/apache/storm/pull/554#issuecomment-102667234
This pull request requires some more scrutiny because of its size and to
make sure it does not break functionality.
Goals for this PR
* New Nimbus Thrift calls:
* getTopologyPageInfo
* getComponentPageInfo
* Nimbus Thrift call getTopologyInfo remains
* Aggregates metrics on nimbus so that serialized data is much smaller for
large, highly-connected topologies
* Moves ui code to stats namespace
* Iterates over heartbeats one time.
* Thrift deserialization code avoids deserializing to symbols, preferring
strings, since making a symbol out of a string like "600" results in a symbol
600 and not an integer 600. This can be very confusing to debug, and breaks
key comparisons in places.
* Removes some dead code and does a little refactoring in places.
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