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https://issues.apache.org/jira/browse/HDFS-7014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14176577#comment-14176577
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Zhanwei Wang commented on HDFS-7014:
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In HDFS-7014-pnative.003.patch, I separate the {{hdfs::XmlConfig}} into
{{hdfs::internal::XmlConfigParser}} and {{hds::Config}}, cleanup the interface
for configure management. Add {{hdfs::Status}} to wrap the error code and
message. Change the interface of FileSystem, InputStream and OutputStream, and
return {{hdfs::Status}} instead of throw exception on error.
> Implement input and output streams to DataNode for native client
> ----------------------------------------------------------------
>
> Key: HDFS-7014
> URL: https://issues.apache.org/jira/browse/HDFS-7014
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: Zhanwei Wang
> Assignee: Zhanwei Wang
> Attachments: 0001-HDFS-7014-001.patch, HDFS-7014-pnative.002.patch,
> HDFS-7014-pnative.003.patch, HDFS-7014.patch
>
>
> Implement Client - Namenode RPC protocol and support Namenode HA.
> Implement Client - Datanode RPC protocol.
> Implement some basic server side class such as ExtendedBlock and LocatedBlock
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