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https://issues.apache.org/jira/browse/HDFS-3246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16835394#comment-16835394
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Zheng Hu commented on HDFS-3246:
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Any plan to backport this pread ByteBuffer to hadoop 2.x ? we've a dicussion
before [1], and hadoop2.x seems can include this feature, if no object, I'll
file a new hdfs jira to accomplish this. FYI [~stakiar], [~jojochuang],
[~tlipcon]. Thanks.
1.
https://issues.apache.org/jira/browse/HBASE-21879?focusedCommentId=16767865&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16767865
> pRead equivalent for direct read path
> -------------------------------------
>
> Key: HDFS-3246
> URL: https://issues.apache.org/jira/browse/HDFS-3246
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs-client, performance
> Affects Versions: 3.0.0-alpha1
> Reporter: Henry Robinson
> Assignee: Sahil Takiar
> Priority: Major
> Fix For: 3.3.0
>
> Attachments: HDFS-3246.001.patch, HDFS-3246.002.patch,
> HDFS-3246.003.patch, HDFS-3246.004.patch, HDFS-3246.005.patch,
> HDFS-3246.006.patch, HDFS-3246.007.patch
>
>
> There is no pread equivalent in ByteBufferReadable. We should consider adding
> one. It would be relatively easy to implement for the distributed case
> (certainly compared to HDFS-2834), since DFSInputStream does most of the
> heavy lifting.
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