[jira] [Commented] (HELIX-144) Need to validate StateModelDefinition when adding new StateModelDefinition to Cluster

["Hudson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HELIX-144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13798588#comment-13798588 ] 

Hudson commented on HELIX-144:
------------------------------

FAILURE: Integrated in helix #1191 (See [https://builds.apache.org/job/helix/1191/])
[HELIX-144] Validate StateModelDefinition before adding it to the cluster, rb=14704 (kanak: rev fbdafa677ffc9a2e119d2dc5d15448aeefaa6103)
* helix-core/src/main/java/org/apache/helix/model/StateModelDefinition.java
* helix-core/src/main/java/org/apache/helix/manager/zk/ZKHelixDataAccessor.java
* helix-core/src/test/java/org/apache/helix/model/TestStateModelValidity.java
* helix-core/src/main/java/org/apache/helix/model/util/StateModelDefinitionValidator.java
* src/site/markdown/tutorial_state.md


> Need to validate StateModelDefinition when adding new StateModelDefinition to Cluster
> -------------------------------------------------------------------------------------
>
>                 Key: HELIX-144
>                 URL: https://issues.apache.org/jira/browse/HELIX-144
>             Project: Apache Helix
>          Issue Type: Bug
>            Reporter: Zhen Zhang
>            Assignee: Kanak Biscuitwala
>
> we see that when DROPPED state is not in the StateModelDefinition, partition will fail to be dropped. this causes problem when we are using auto_rebalance mode, because we are dropping mappings and assign new mappings to nodes. things need to verify:
> 1) state transitions are all valid, no self loop/loop, no unreachable state
> 2) state meta is valid
> 3) drop state included



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