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Posted to hdfs-issues@hadoop.apache.org by "Allen Wittenauer (JIRA)" <ji...@apache.org> on 2015/05/06 05:29:01 UTC

[jira] [Updated] (HDFS-7988) Replace usage of ExactSizeInputStream with LimitInputStream.

     [ https://issues.apache.org/jira/browse/HDFS-7988?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Allen Wittenauer updated HDFS-7988:
-----------------------------------
    Labels: BB2015-05-TBR  (was: )

> Replace usage of ExactSizeInputStream with LimitInputStream.
> ------------------------------------------------------------
>
>                 Key: HDFS-7988
>                 URL: https://issues.apache.org/jira/browse/HDFS-7988
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Chris Nauroth
>            Assignee: Walter Su
>            Priority: Minor
>              Labels: BB2015-05-TBR
>         Attachments: HDFS-7988.001.patch
>
>
> HDFS has a class named {{ExactSizeInputStream}} used in the protobuf translation layer.  This class wraps another {{InputStream}}, but constraints the readable bytes to a specified length.  The functionality is nearly identical to {{LimitInputStream}} in Hadoop Common, with some differences in semantics regarding premature EOF.  This issue proposes to eliminate {{ExactSizeInputStream}} in favor of {{LimitInputStream}} to reduce the size of the codebase.



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