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https://issues.apache.org/jira/browse/HDFS-3110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henry Robinson updated HDFS-3110:
---------------------------------
Attachment: HDFS-3110.5.patch
You're right - my original thinking was that checking errno != 0 let us know
that we aren't at EOF, but in fact that's captured by checking whether
readDirect == 0 (since EOF and 0-byte reads are indistinguishable by return
code).
I've removed the check and reworded the comment
> libhdfs implementation of direct read API
> -----------------------------------------
>
> Key: HDFS-3110
> URL: https://issues.apache.org/jira/browse/HDFS-3110
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: libhdfs
> Reporter: Henry Robinson
> Assignee: Henry Robinson
> Fix For: 0.24.0
>
> Attachments: HDFS-3110.0.patch, HDFS-3110.1.patch, HDFS-3110.2.patch,
> HDFS-3110.3.patch, HDFS-3110.4.patch, HDFS-3110.5.patch
>
>
> Once HDFS-2834 gets committed, we can add support for the new API to libhdfs,
> which leads to significant performance increases when reading local data from
> C.
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