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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HELIX-134) refactor helix manager to handle zk session expiry more reliably
Date Fri, 21 Jun 2013 21:24:21 GMT

    [ https://issues.apache.org/jira/browse/HELIX-134?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13690733#comment-13690733
] 

Hudson commented on HELIX-134:
------------------------------

Integrated in helix #952 (See [https://builds.apache.org/job/helix/952/])
    HELIX-134: refactor helix manager to handle zk session expiry more reliably (Revision
94367e1c7840b5c35a84f0ee440d443047c6dbaa)

     Result = SUCCESS
zzhang : 
Files : 
* helix-core/src/main/java/org/apache/helix/healthcheck/ParticipantHealthReportCollectorImpl.java
* helix-core/src/main/java/org/apache/helix/manager/zk/DistributedControllerManager.java
* helix-core/src/main/java/org/apache/helix/manager/zk/AbstractManager.java
* helix-core/src/main/java/org/apache/helix/manager/zk/ControllerManagerHelper.java
* helix-core/src/main/java/org/apache/helix/manager/zk/ParticipantManager.java
* helix-core/src/test/java/org/apache/helix/integration/manager/TestParticipantManager.java
* helix-core/src/main/java/org/apache/helix/controller/GenericHelixController.java
* helix-core/src/main/java/org/apache/helix/messaging/handling/HelixTaskExecutor.java
* helix-core/src/main/java/org/apache/helix/manager/zk/CallbackHandler.java
* helix-core/src/main/java/org/apache/helix/manager/zk/ParticipantManagerHelper.java
* helix-core/src/main/java/org/apache/helix/manager/zk/DistributedLeaderElection.java
* helix-core/src/main/java/org/apache/helix/manager/zk/ControllerManager.java
* helix-core/src/test/java/org/apache/helix/integration/manager/TestDistributedControllerManager.java

                
> refactor helix manager to handle zk session expiry more reliably
> ----------------------------------------------------------------
>
>                 Key: HELIX-134
>                 URL: https://issues.apache.org/jira/browse/HELIX-134
>             Project: Apache Helix
>          Issue Type: Bug
>            Reporter: dafu
>            Assignee: dafu
>
> tasks include:
> 1) separate HelixManager impl for participant, controller, and distributed controller
> 2) take care of consecutive handleNewSession() and session expiry during handleNewSession()
> 3) fix HelixManager#isLeader() bug by comparing both instanceName and sessionId
> 4) wait on all left-over tasks to be cancelled successfully before start new session

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