dafu created HELIX-197:
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Summary: state model leak
Key: HELIX-197
URL: https://issues.apache.org/jira/browse/HELIX-197
Project: Apache Helix
Issue Type: Bug
Reporter: dafu
Assignee: dafu
currently helix is not removing state model when resource has been dropped.
1) in OFFLINE->DROPPED case, the state model remains in OFFLINE state
in use cases where resources are dynamically added and dropped, this will lead
to memory leak of state models in OFFLINE state
2) in ERROR->DROPPED case, the state model remains in ERROR state
in addition to leak, it will cause problems when we re-add the same resource in
current session. the partition is then still in ERROR state and no transition
will take place
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