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https://issues.apache.org/jira/browse/HDFS-9228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15009087#comment-15009087
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Haohui Mai commented on HDFS-9228:
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Just take a quick skim.
The retry mechanism and the retry policy need to be separated. HDFS supports
multiple linear / exponential back offs, and active fail overs when retrying
RPC requests. They are all useful in different use cases, so the policy needs
to be pluggable.
> libhdfs++ should respect NN retry configuration settings
> --------------------------------------------------------
>
> Key: HDFS-9228
> URL: https://issues.apache.org/jira/browse/HDFS-9228
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Bob Hansen
> Assignee: Bob Hansen
> Attachments: HDFS-9228.HDFS-8707.001.patch,
> HDFS-9228.HDFS-8707.002.patch, HDFS-9228.HDFS-8707.003.patch
>
>
> Handle the use case of temporary network or NN hiccups and have a
> configurable number of retries for NN operations.
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