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https://issues.apache.org/jira/browse/HDFS-12976?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16530277#comment-16530277
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Chao Sun commented on HDFS-12976:
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[~shv]: thanks for the review. I removed the {{performFailover}} logic from the
patch as currently the observer failover logic is handled inside the {{invoke}}
method, while the active failover is delegated to the {{performFailover}} logic
in the parent class. This retry logic is not complete though - it will be
handled in a follow-up JIRA.
Submitted patch v008. Let me know what you think. Thanks.
> 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-HDFS-12943.003.patch, HDFS-12976-HDFS-12943.004.patch,
> HDFS-12976-HDFS-12943.005.patch, HDFS-12976-HDFS-12943.006.patch,
> HDFS-12976-HDFS-12943.007.patch, HDFS-12976-HDFS-12943.008.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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