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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7748) Separate ECN flags from the Status in the DataTransferPipelineAck
Date Mon, 30 Mar 2015 19:02:54 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14387221#comment-14387221
] 

Hudson commented on HDFS-7748:
------------------------------

FAILURE: Integrated in Hadoop-trunk-Commit #7466 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/7466/])
HDFS-7748. Separate ECN flags from the Status in the DataTransferPipelineAck. Contributed
by Anu Engineer and Haohui Mai. (wheat9: rev b80457158daf0dc712fbe5695625cc17d70d4bb4)
* hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDataTransferProtocol.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/proto/datatransfer.proto
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockReceiver.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/datatransfer/PipelineAck.java
* hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DataStreamer.java


> Separate ECN flags from the Status in the DataTransferPipelineAck
> -----------------------------------------------------------------
>
>                 Key: HDFS-7748
>                 URL: https://issues.apache.org/jira/browse/HDFS-7748
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Haohui Mai
>            Assignee: Anu Engineer
>            Priority: Blocker
>         Attachments: HDFS-7748.007.patch, hdfs-7748.001.patch, hdfs-7748.002.patch, hdfs-7748.003.patch,
hdfs-7748.004.patch, hdfs-7748.005.patch, hdfs-7748.006.patch, hdfs-7748.branch-2.7.006.patch
>
>
> Prior to the discussions on HDFS-7270, the old clients might fail to talk to the newer
server when ECN is turned on. This jira proposes to separate the ECN flags in a separate protobuf
field to make the ack compatible on both versions.



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