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https://issues.apache.org/jira/browse/HDFS-7854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14358368#comment-14358368
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Li Bo commented on HDFS-7854:
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If we want dataQueue in DataStreamer, we can provide
{{DataStreamer#getDataQueue()}} but still keep {{queueCurrentPacket }} ,
{{waitAndQueueCurrentPacket}}, {{waitForAckedSeqno}} in DFSOutputStream
> Separate class DataStreamer out of DFSOutputStream
> --------------------------------------------------
>
> Key: HDFS-7854
> URL: https://issues.apache.org/jira/browse/HDFS-7854
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Li Bo
> Assignee: Li Bo
> Attachments: HDFS-7854-001.patch, HDFS-7854-002.patch,
> HDFS-7854-003.patch
>
>
> This sub task separate DataStreamer from DFSOutputStream. New DataStreamer
> will accept packets and write them to remote datanodes.
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