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Posted to hdfs-issues@hadoop.apache.org by "Sahil Takiar (JIRA)" <ji...@apache.org> on 2019/03/01 21:53:01 UTC

[jira] [Updated] (HDFS-3246) pRead equivalent for direct read path

     [ https://issues.apache.org/jira/browse/HDFS-3246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sahil Takiar updated HDFS-3246:
-------------------------------
    Status: Patch Available  (was: Open)

> 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
>         Attachments: HDFS-3246.001.patch, HDFS-3246.002.patch, HDFS-3246.003.patch, HDFS-3246.004.patch, HDFS-3246.005.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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