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https://issues.apache.org/jira/browse/HDFS-12976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16513218#comment-16513218
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Konstantin Shvachko commented on HDFS-12976:
--------------------------------------------
Hey [~csun] looked at the test failures. I think the problem is that you added
a call {{proto.getServiceStatus()}} to the
{{ConfiguredFailoverProxyProvider.initProxies()}}. It fails with old tests,
which use fake addresses, like {{"machine1.foo.bar:8020"}} while instantiating
the proxy.
I think the best way is to keep {{ConfiguredFailoverProxyProvider}} logic
unchanged, and override {{initProxies()}} in {{ObserverReadProxyProvider}} to
do the initial filtering.
> Introduce ObserverReadProxyProvider
> -----------------------------------
>
> Key: HDFS-12976
> URL: https://issues.apache.org/jira/browse/HDFS-12976
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Konstantin Shvachko
> Assignee: Chao Sun
> Priority: Major
> Attachments: HDFS-12976-HDFS-12943.000.patch,
> HDFS-12976-HDFS-12943.001.patch, HDFS-12976-HDFS-12943.002.patch,
> HDFS-12976.WIP.patch
>
>
> {{StandbyReadProxyProvider}} should implement {{FailoverProxyProvider}}
> interface and be able to submit read requests to ANN and SBN(s).
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