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From "Thomas Marquardt (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-14722) Azure: BlockBlobInputStream position incorrect after seek
Date Fri, 04 Aug 2017 00:59:00 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-14722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Marquardt updated HADOOP-14722:
--------------------------------------
    Attachment: HADOOP-14722-003.patch

Attaching patch HADOOP-14722-003.patch.

This addresses the feedback, fixes an issue with the BlockBlobInputStream.skip implementation,
and adds additional test coverage so all the code paths are exercised for seek and skip.

All hadoop-tools/hadoop-azure *tests are passing* with this patch, except for TestWasbRemoteCallHelper
which is a known issue tracked by HADOOP-14715.  I tested against my endpoint tmarql3.

> Azure: BlockBlobInputStream position incorrect after seek
> ---------------------------------------------------------
>
>                 Key: HADOOP-14722
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14722
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/azure
>            Reporter: Thomas Marquardt
>            Assignee: Thomas Marquardt
>         Attachments: HADOOP-14722-001.patch, HADOOP-14722-002.patch, HADOOP-14722-003.patch
>
>
> The seek, skip, and getPos methods of BlockBlobInputStream do not correctly account for
the stream's  internal buffer.  This results in invalid stream positions. 



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