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From Íñigo Goiri (JIRA) <j...@apache.org>
Subject [jira] [Commented] (HDFS-12450) Fixing TestNamenodeHeartbeat and support non-HA
Date Thu, 14 Sep 2017 23:37:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16167120#comment-16167120

Íñigo Goiri commented on HDFS-12450:

The {{TestNamenodeHeartbeat}} is fixed now.
Not sure I agree with FindBugs regarding the {{keyset()}}.
If we want to get the only element of a set, I think this is the way.

> Fixing TestNamenodeHeartbeat and support non-HA
> -----------------------------------------------
>                 Key: HDFS-12450
>                 URL: https://issues.apache.org/jira/browse/HDFS-12450
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: fs
>            Reporter: Íñigo Goiri
>            Assignee: Íñigo Goiri
>             Fix For: HDFS-10467
>         Attachments: HDFS-12450-HDFS-10467.000.patch
> The way the service RPC address is obtained changed and showed a problem with {{TestNamenodeHeartbeat}}
where the address wasn't properly set for the unit tests.
> In addition, the {{NamenodeHeartbeatService}} did not provide a good experience for non-HA
nameservices. This also covers a better logging for those.

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