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https://issues.apache.org/jira/browse/HELIX-197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13735288#comment-13735288
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Hudson commented on HELIX-197:
------------------------------
FAILURE: Integrated in helix #1127 (See
[https://builds.apache.org/job/helix/1127/])
HELIX-197: fix state model leak, rb=13437 (zzhang: rev
11df95e810a0102584d4ba690dcbe241a8a00b1b)
*
helix-core/src/test/java/org/apache/helix/messaging/handling/TestHelixTaskExecutor.java
*
helix-core/src/main/java/org/apache/helix/participant/statemachine/ScheduledTaskStateModel.java
* helix-core/src/test/java/org/apache/helix/TestHelixTaskExecutor.java
*
helix-core/src/main/java/org/apache/helix/participant/HelixStateMachineEngine.java
*
helix-core/src/test/java/org/apache/helix/mock/participant/MockMSModelFactory.java
*
helix-core/src/main/java/org/apache/helix/participant/statemachine/StateModelFactory.java
*
helix-core/src/main/java/org/apache/helix/messaging/handling/HelixStateTransitionHandler.java
*
helix-core/src/test/java/org/apache/helix/integration/manager/TestStateModelLeak.java
* helix-core/src/test/java/org/apache/helix/TestHelixTaskHandler.java
> 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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