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https://issues.apache.org/jira/browse/HDFS-7682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14346709#comment-14346709
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Hudson commented on HDFS-7682:
------------------------------
FAILURE: Integrated in Hadoop-Yarn-trunk-Java8 #122 (See
[https://builds.apache.org/job/Hadoop-Yarn-trunk-Java8/122/])
HDFS-7682. {{DistributedFileSystem#getFileChecksum}} of a snapshotted file
includes non-snapshotted content. Contributed by Charles Lamb. (atm: rev
f2d7a67a2c1d9dde10ed3171fdec65dff885afcc)
*
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
*
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotFileLength.java
* hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
> {{DistributedFileSystem#getFileChecksum}} of a snapshotted file includes
> non-snapshotted content
> ------------------------------------------------------------------------------------------------
>
> Key: HDFS-7682
> URL: https://issues.apache.org/jira/browse/HDFS-7682
> Project: Hadoop HDFS
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Charles Lamb
> Assignee: Charles Lamb
> Fix For: 2.7.0
>
> Attachments: HDFS-7682.000.patch, HDFS-7682.001.patch,
> HDFS-7682.002.patch, HDFS-7682.003.patch
>
>
> DistributedFileSystem#getFileChecksum of a snapshotted file includes
> non-snapshotted content.
> The reason why this happens is because DistributedFileSystem#getFileChecksum
> simply calculates the checksum of all of the CRCs from the blocks in the
> file. But, in the case of a snapshotted file, we don't want to include data
> in the checksum that was appended to the last block in the file after the
> snapshot was taken.
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