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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GIRAPH-1139) Resuming from checkpoint doesn't work
Date Mon, 28 Aug 2017 17:21:00 GMT

    [ https://issues.apache.org/jira/browse/GIRAPH-1139?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16144079#comment-16144079
] 

Hudson commented on GIRAPH-1139:
--------------------------------

FAILURE: Integrated in Jenkins build Giraph-trunk-Commit #1708 (See [https://builds.apache.org/job/Giraph-trunk-Commit/1708/])
GIRAPH-1139 (edunov: [http://git-wip-us.apache.org/repos/asf?p=giraph.git&a=commit&h=cc489350eba8db8bc62a4fca77b7ad9aa14bcf3d])
* (edit) giraph-core/src/main/java/org/apache/giraph/bsp/BspService.java
* (edit) giraph-core/src/main/java/org/apache/giraph/worker/BspServiceWorker.java
* (edit) giraph-core/src/main/java/org/apache/giraph/master/BspServiceMaster.java


> Resuming from checkpoint doesn't work
> -------------------------------------
>
>                 Key: GIRAPH-1139
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-1139
>             Project: Giraph
>          Issue Type: Bug
>          Components: bsp
>    Affects Versions: 1.2.0
>            Reporter: Nic Eggert
>
> I ran into a couple of issues when trying to get Giraph to resume from checkpoints (using
mapreduce.max.attempts rather than GiraphJobRetryChecker).
> * If we just wrote a checkpoint, the master expects the workers to checkpoint again,
while the workers (correctly) clear the checkpointing flag.
> * When workers restart, they take their task id from the partition number, which stays
the same across multiple attempts. This gets transferred to the Netty clientId, and the server
starts ignoring messages from restarted workers because it thinks it processed them already.
> I believe I've fixed these issues. I'll send a GitHub PR shortly.



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