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From "Chao Sun (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-13735) Make QJM HTTP URL connection timeout configurable
Date Fri, 13 Jul 2018 22:18:00 GMT
Chao Sun created HDFS-13735:
-------------------------------

             Summary: 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


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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