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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9490) MiniDFSCluster should change block generation stamp via FsDatasetTestUtils
Date Sat, 19 Dec 2015 00:41:46 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15065070#comment-15065070
] 

Wangda Tan commented on HDFS-9490:
----------------------------------

Committed to branch-2.8.

> MiniDFSCluster should change block generation stamp via FsDatasetTestUtils
> --------------------------------------------------------------------------
>
>                 Key: HDFS-9490
>                 URL: https://issues.apache.org/jira/browse/HDFS-9490
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: test
>    Affects Versions: 2.7.1
>            Reporter: Tony Wu
>            Assignee: Tony Wu
>            Priority: Minor
>             Fix For: 3.0.0, 2.8.0
>
>         Attachments: HDFS-9490.001.patch, HDFS-9490.002.patch
>
>
> {{MiniDFSCluster#changeGenStampOfBlock}} directly manipulates the block meta file to
update the generation stamp. This depends on file based {{FsDataset}}.
> We can abstract the change generation stamp operation in {{FsDatasetTestUtils}}.



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