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From "Dushyanth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12635) Adding Append API support for WASB
Date Tue, 12 Jan 2016 01:08:39 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15093049#comment-15093049
] 

Dushyanth commented on HADOOP-12635:
------------------------------------

[~cnauroth] When I said that the create() codeflow doesn't  have to change, I meant that the
logic doesn't have to change however some methods inside AzureNativeFileSystemStore class
like storeMetadataAttribute() and rename() do need to change to have a lease on the blob before
updating the metadata.

> Adding Append API support for WASB
> ----------------------------------
>
>                 Key: HADOOP-12635
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12635
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: azure
>    Affects Versions: 2.7.1
>            Reporter: Dushyanth
>            Assignee: Dushyanth
>         Attachments: Append API.docx, HADOOP-12635.001.patch, HADOOP-12635.002.patch,
HADOOP-12635.003.patch
>
>
> Currently the WASB implementation of the HDFS interface does not support Append API.
This JIRA is added to design and implement the Append API support to WASB. The intended support
for Append would only support a single writer.  



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