Robert Joseph Evans created STORM-885:
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Summary: Heartbeat Server (Pacemaker)
Key: STORM-885
URL: https://issues.apache.org/jira/browse/STORM-885
Project: Apache Storm
Issue Type: Improvement
Reporter: Robert Joseph Evans
Assignee: Kyle Nusbaum
Large highly connected topologies and large clusters write a lot of data into
ZooKeeper. The heartbeats, that make up the majority of this data, do not need
to be persisted to disk. Pacemaker is intended to be a secure replacement for
storing the heartbeats without changing anything within the heartbeats. In the
future as more metrics are added in, we may want to look into switching it over
to look more like Heron, where a metrics server is running for each
node/topology. And can be used to aggregate/per-aggregate them in a more
scalable manor.
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