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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-12488) Ozone: OzoneRestClient has no notion of configuration
Date Tue, 19 Sep 2017 07:51:00 GMT
Weiwei Yang created HDFS-12488:
----------------------------------

             Summary: Ozone: OzoneRestClient has no notion of configuration
                 Key: HDFS-12488
                 URL: https://issues.apache.org/jira/browse/HDFS-12488
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: ozone
    Affects Versions: HDFS-7240
            Reporter: Weiwei Yang


When I test ozone on a 15 nodes cluster with millions of keys, responses of rest client becomes
to be slower. Following call times out after default 5s,

{code}
bin/hdfs oz -listBucket  http://15oz1.fyre.ibm.com:9864/vol-0-84022 -user wwei
Command Failed : {"httpCode":0,"shortMessage":"Read timed out","resource":null,"message":"Read
timed out","requestID":null,"hostName":null}
{code}

Then I increase the timeout by explicitly setting following property in {{ozone-site.xml}}

{code}
 <property>
    <name>ozone.client.socket.timeout.ms</name>
    <value>10000</value>
  </property>
{code}

but this doesn't work and rest clients are still created with default *5s* timeout. This needs
to be fixed. Just like {{DFSClient}}, we should make {{OzoneRestClient}} to be configuration
awareness, so that clients can adjust client configuration on demand. 



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