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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-14250) [SBN read] msync should sync with active NameNode to fetch the latest stateID
Date Wed, 06 Feb 2019 17:57:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-14250?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16761981#comment-16761981
] 

Hudson commented on HDFS-14250:
-------------------------------

FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #15899 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/15899/])
HDFS-14250. [SBN read]. msync should always direct to active NameNode to (xkrogen: rev d3de8e162be7933be496343db4a807b6b5ca04cd)
* (edit) hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/ClientProtocol.java
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/ha/TestConsistentReadsObserver.java


> [SBN read] msync should sync with active NameNode to fetch the latest stateID
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-14250
>                 URL: https://issues.apache.org/jira/browse/HDFS-14250
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>            Reporter: Chao Sun
>            Assignee: Chao Sun
>            Priority: Major
>             Fix For: 3.3.0
>
>         Attachments: HDFS-14250.000.patch, HDFS-14250.001.patch
>
>
> Currently the {{msync}} call is a dummy operation to observer without really syncing.
Instead, it should:
>  # Get the latest stateID from active NN.
>  # Use the stateID to talk to observer NN and make sure it is synced.



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