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Posted to hdfs-issues@hadoop.apache.org by "Konstantin Shvachko (JIRA)" <ji...@apache.org> on 2018/08/02 00:53:00 UTC
[jira] [Commented] (HDFS-13735) Make QJM HTTP URL connection
timeout configurable
[ https://issues.apache.org/jira/browse/HDFS-13735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16566200#comment-16566200 ]
Konstantin Shvachko commented on HDFS-13735:
--------------------------------------------
+1. Let's move on.
I think this should go into trunk.
> 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
> 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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