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From "Mingliang Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-13831) Correct check for error code to detect Azure Storage Throttling and provide retries
Date Thu, 15 Dec 2016 20:41:58 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-13831?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Mingliang Liu updated HADOOP-13831:
-----------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-alpha2
                   2.9.0
           Status: Resolved  (was: Patch Available)

I have committed this patch to {{trunk}} and {{branch-2}} branches. Thanks for the contribution,
[~gouravk]. Thanks for reviewing this, [~stevel@apache.org], [~antiwari@microsoft.com] and
[~nitin.verma@gmail.com]

> Correct check for error code to detect Azure Storage Throttling and provide retries
> -----------------------------------------------------------------------------------
>
>                 Key: HADOOP-13831
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13831
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs/azure
>    Affects Versions: 2.7.3
>            Reporter: Gaurav Kanade
>            Assignee: Gaurav Kanade
>             Fix For: 2.9.0, 3.0.0-alpha2
>
>         Attachments: HADOOP-13831.001.patch
>
>
>  Azure Storage throttling  affects HBase operations such as archiving old WALS and others.
In such cases the storage driver needs to detect and handle the exception. We put in this
logic to do the retries however the condition to check for the exception is not always met
due to inconsistency in which the manner the error code is passed back. Instead the retry
logic should check for http status code (503) which is more reliable and consistent check



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