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https://issues.apache.org/jira/browse/HDFS-8008?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14391952#comment-14391952
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Hudson commented on HDFS-8008:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #7490 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/7490/])
HDFS-8008. Support client-side back off when the datanodes are congested.
Contributed by Haohui Mai. (wheat9: rev
6ccf4fbf8a8374c289370f67b26ac05abad30ebc)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DataStreamer.java
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/PipelineAck.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSOutputStream.java
> Support client-side back off when the datanodes are congested
> -------------------------------------------------------------
>
> Key: HDFS-8008
> URL: https://issues.apache.org/jira/browse/HDFS-8008
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: hdfs-client
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Fix For: 2.8.0
>
> Attachments: HDFS-8008.000.patch, HDFS-8008.001.patch,
> HDFS-8008.002.patch, HDFS-8008.003.patch
>
>
> HDFS-7270 introduces the mechanism for DataNode to signal congestions.
> DFSClient should be able to recognize the signals and back off.
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