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From "Dushyanth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-13475) Adding Append Blob support for WASB
Date Tue, 16 Aug 2016 02:10:21 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-13475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15422050#comment-15422050
] 

Dushyanth commented on HADOOP-13475:
------------------------------------

[~Raulmsm] Thank you very much for the change.

I see that there are lot of diffs in the patch that are getting introduced because of probably
different formatter being used. Kindly clean those up.

Inside retrieveAppendStream(..) method probably it is a good idea to move the block blob handling
into a else statement following the same pattern as other similar methods in the class.

Considering AppendBlobs unlike BlockBlobs would be writing data onto the actual blobs should
the output stream be supporting flush() api i.e should it implement syncable?

I dont see any implementation for the interface : CloudBlockAppendWrapper nor is the interface
extended in the patch. Am I missing something?


> Adding Append Blob support for WASB
> -----------------------------------
>
>                 Key: HADOOP-13475
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13475
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: azure
>    Affects Versions: 2.7.1
>            Reporter: Raul da Silva Martins
>            Assignee: Raul da Silva Martins
>            Priority: Critical
>         Attachments: 0001-Added-Support-for-Azure-AppendBlobs.patch
>
>
> Currently the WASB implementation of the HDFS interface does not support the utilization
of Azure AppendBlobs underneath. As owners of a large scale service who intend to start writing
to Append blobs, we need this support in order to be able to keep using our HDI capabilities.
> This JIRA is added to implement Azure AppendBlob support to WASB.



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