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From "Sivaguru Sankaridurg (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-14642) wasb: add support for caching Authorization and SASKeys
Date Tue, 18 Jul 2017 12:37:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-14642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16091498#comment-16091498

Sivaguru Sankaridurg commented on HADOOP-14642:

The three tests listed as failed here [https://builds.apache.org/job/PreCommit-HADOOP-Build/12808/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common.txt]
are not related to my changes. The tests seem to have failed for other earlier builds too.

> wasb: add support for caching Authorization and SASKeys
> -------------------------------------------------------
>                 Key: HADOOP-14642
>                 URL: https://issues.apache.org/jira/browse/HADOOP-14642
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/azure
>            Reporter: Sivaguru Sankaridurg
>            Assignee: Sivaguru Sankaridurg
>              Labels: azure, fs, secure, wasb
>         Attachments: HADOOP-14642.001.patch, HADOOP-14642.002.patch, HADOOP-14642.003.patch
> TPCDS runs showed performance issues with Secure Clusters.
> One of the main issues was identified to be repeated calls to DTS for the same SASKey
and Authorization request.
> The performance issue was mitigated to a large extent by introducing caching for saskeys
and authorization requests.

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