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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4284) condition for AM blacklisting is too narrow
Date Mon, 26 Oct 2015 22:46:28 GMT

    [ https://issues.apache.org/jira/browse/YARN-4284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14975266#comment-14975266
] 

Hudson commented on YARN-4284:
------------------------------

FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #599 (See [https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/599/])
YARN-4284. condition for AM blacklisting is too narrow. Contributed by (jlowe: rev 33a03af3c396097929b9cd9c790d7f52eddc13e0)
* hadoop-yarn-project/CHANGES.txt
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/test/java/org/apache/hadoop/yarn/server/resourcemanager/applicationsmanager/TestAMRestart.java
* hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/rmapp/attempt/RMAppAttemptImpl.java


> condition for AM blacklisting is too narrow
> -------------------------------------------
>
>                 Key: YARN-4284
>                 URL: https://issues.apache.org/jira/browse/YARN-4284
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: resourcemanager
>    Affects Versions: 2.8.0
>            Reporter: Sangjin Lee
>            Assignee: Sangjin Lee
>             Fix For: 2.8.0
>
>         Attachments: YARN-4284.001.patch, YARN-4284.002.patch
>
>
> Per YARN-2005, there is now a way to blacklist nodes for AM purposes so the next app
attempt can be assigned to a different node.
> However, currently the condition under which the node gets blacklisted is limited to
{{DISKS_FAILED}}. There are a whole host of other issues that may cause the failure, for which
we want to locate the AM elsewhere; e.g. disks full, JVM crashes, memory issues, etc.
> Since the AM blacklisting is per-app, there is little practical downside in blacklisting
the nodes on *any failure* (although it might lead to blacklisting the node more aggressively
than necessary). I would propose locating the next app attempt to a different node on any
failure.



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