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https://issues.apache.org/jira/browse/HDFS-9228?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bob Hansen updated HDFS-9228:
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Attachment: HDFS-9228.HDFS-8707.001.patch
Implemented retry with fixed intervals (the java client default retry).
Defaults to no retry.
I had to move the Engine's RPC connection from a unique_ptr to a shared_ptr,
since it could be released during rpc callbacks (e.g. a comms error).
Made rpc_connection's start implicit on completing handshake to help in
coordinating with the engine.
Because the headers can now change, the Request class encodes the payload on
construction, but not the whole message.
Still needs tests over retry and recovery, but I wanted feedback on the
implementation.
> 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
>
>
> Handle the use case of temporary network or NN hiccups and have a
> configurable number of retries for NN operations.
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