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https://issues.apache.org/jira/browse/HDFS-13735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16576979#comment-16576979
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Konstantin Shvachko commented on HDFS-13735:
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We should also push it to branch-3.0, [~vagarychen]?
> Make QJM HTTP URL connection timeout configurable
> -------------------------------------------------
>
> Key: HDFS-13735
> URL: https://issues.apache.org/jira/browse/HDFS-13735
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: qjm
> Reporter: Chao Sun
> Assignee: Chao Sun
> Priority: Minor
> Fix For: 3.2.0, 3.1.2
>
> Attachments: HDFS-13735.000.patch, HDFS-13735.001.patch
>
>
> We've seen "connect timed out" happen internally when QJM tries to open HTTP
> connections to JNs. This is now using {{newDefaultURLConnectionFactory}}
> which uses the default timeout 60s, and is not configurable.
> It would be better for this to be configurable, especially for
> ObserverNameNode (HDFS-12943), where latency is important, and 60s may not be
> a good value.
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