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https://issues.apache.org/jira/browse/HDFS-5574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14521004#comment-14521004
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Akira AJISAKA commented on HDFS-5574:
-------------------------------------
Looks like jenkins ran the tests in hadoop-hdfs project with
hadoop-common-3.0.0-<date>.jar, which does not have
{{FSInputChecker#readAndDiscard}}. I could reproduce the error by the following
command:
{code}
$ cd hadoop-hdfs-project/hadoop-hdfs
$ mvn test -Dtest=TestDFSInputStream
{code}
> Remove buffer copy in BlockReader.skip
> --------------------------------------
>
> Key: HDFS-5574
> URL: https://issues.apache.org/jira/browse/HDFS-5574
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Binglin Chang
> Assignee: Binglin Chang
> Priority: Trivial
> Attachments: HDFS-5574.006.patch, HDFS-5574.007.patch,
> HDFS-5574.008.patch, HDFS-5574.v1.patch, HDFS-5574.v2.patch,
> HDFS-5574.v3.patch, HDFS-5574.v4.patch, HDFS-5574.v5.patch
>
>
> BlockReaderLocal.skip and RemoteBlockReader.skip uses a temp buffer to read
> data to this buffer, it is not necessary.
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