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From "Akihiro Suda (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4271) Make the NodeManager's health checker service pluggable
Date Tue, 27 Oct 2015 03:40:27 GMT

    [ https://issues.apache.org/jira/browse/YARN-4271?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14975633#comment-14975633

Akihiro Suda commented on YARN-4271:

There has been already [External Health Script|https://github.com/apache/hadoop/blob/ea6b183a1a649ad2874050ade8856286728c654c/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-site/src/site/markdown/NodeManager.md#external-health-script],
which is very pluggable.
Does it work for you?

> Make the NodeManager's health checker service pluggable
> -------------------------------------------------------
>                 Key: YARN-4271
>                 URL: https://issues.apache.org/jira/browse/YARN-4271
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>            Reporter: Subru Krishnan
>            Priority: Minor
> This JIRA proposes making the NodeHealthCheckerService in the NM pluggable as in cloud
environments like Azure we want to tap into the provided health checkers for disk and other
service signal statuses. The idea is to extend the existing NodeHealthCheckerService and hook
in custom implementation to evaluate if the node is healthy or not.

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