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https://issues.apache.org/jira/browse/HDFS-4595?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13600605#comment-13600605
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Suresh Srinivas commented on HDFS-4595:
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bq. Hmm. Why not print the full exception trace?
While testing the feature, I found exception added no value other than clutter
the logs. This log is printed when AccessControlException is caught and it is
being handled to fall back to regular read. Why do you think stack trace at the
client would help?
> When short circuit read is disallowed, DFSClient does disable short circuit
> and fall back to regular reads
> ----------------------------------------------------------------------------------------------------------
>
> Key: HDFS-4595
> URL: https://issues.apache.org/jira/browse/HDFS-4595
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client
> Affects Versions: 2.0.0-alpha
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Attachments: HDFS-4595.patch, HDFS-4595.patch
>
>
> In 1.0, when short circuit is disallowed for a user, the DFSClient disables
> short circuit and falls back to the regular socket based reads over
> DataTransferProtocol. In release 2.0, this fallback functionality is not
> working.
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