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https://issues.apache.org/jira/browse/HDFS-11379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15861694#comment-15861694
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Hudson commented on HDFS-11379:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11233 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/11233/])
HDFS-11379. DFSInputStream may infinite loop requesting block locations.
(kihwal: rev 07a5184f74fdeffc42cdaec42ad4378c0e41c541)
* (edit)
hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/DFSInputStream.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestPread.java
> DFSInputStream may infinite loop requesting block locations
> -----------------------------------------------------------
>
> Key: HDFS-11379
> URL: https://issues.apache.org/jira/browse/HDFS-11379
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 2.7.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Critical
> Fix For: 3.0.0-alpha3, 2.8.1
>
> Attachments: HDFS-11379.branch-2.patch, HDFS-11379.trunk.patch
>
>
> DFSInputStream creation caches file size and initial range of locations. If
> the file is truncated (or replaced) and the client attempts to read outside
> the initial range, the client goes into a tight infinite looping requesting
> locations for the nonexistent range.
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