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https://issues.apache.org/jira/browse/HELIX-801?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16778495#comment-16778495
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Hudson commented on HELIX-801:
------------------------------

FAILURE: Integrated in Jenkins build helix #1602 (See 
[https://builds.apache.org/job/helix/1602/])
[HELIX-801] HELIX: Implement maintenance history for maintenance mode 
(narendly: rev 4f863c3549631b5e9fccc6f40b513fff6fe435fa)
* (edit) 
helix-core/src/test/java/org/apache/helix/integration/controller/TestClusterMaintenanceMode.java
* (edit) 
helix-core/src/main/java/org/apache/helix/manager/zk/DistributedLeaderElection.java
* (edit) helix-core/src/main/java/org/apache/helix/model/MaintenanceSignal.java
* (edit) helix-core/src/main/java/org/apache/helix/PropertyKey.java
* (delete) helix-core/src/main/java/org/apache/helix/model/LeaderHistory.java
* (add) helix-core/src/main/java/org/apache/helix/model/ControllerHistory.java
* (edit) 
helix-core/src/test/java/org/apache/helix/integration/controller/TestControllerHistory.java
* (edit) 
helix-rest/src/main/java/org/apache/helix/rest/server/resources/helix/ClusterAccessor.java
* (edit) helix-core/src/main/java/org/apache/helix/manager/zk/ZKHelixAdmin.java
* (edit) helix-core/src/main/java/org/apache/helix/PropertyPathBuilder.java
* (edit) 
helix-core/src/main/java/org/apache/helix/controller/GenericHelixController.java
* (edit) 
helix-core/src/main/java/org/apache/helix/controller/stages/MaintenanceRecoveryStage.java


> HELIX: Implement maintenance history for maintenance mode
> ---------------------------------------------------------
>
>                 Key: HELIX-801
>                 URL: https://issues.apache.org/jira/browse/HELIX-801
>             Project: Apache Helix
>          Issue Type: Improvement
>            Reporter: Hunter L
>            Assignee: Hunter L
>            Priority: Major
>
> This diff implements maintenance history for entering and exiting maintenance 
> mode.
>  Changelist:
>  1. Implement a separate DataUpdater for LeaderHistory ZNode update
>  2. Implement recording of maintenance history in LeaderHistory ZNode
>  3. Fix the bug where only the last few history entries are kept



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