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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6638) Do not attempt to recover progress from previous job attempts if spill encryption is enabled
Date Mon, 03 Oct 2016 17:30:20 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15542926#comment-15542926
] 

Karthik Kambatla commented on MAPREDUCE-6638:
---------------------------------------------

Thanks Hitesh. Checking this in with the updated title. 

> Do not attempt to recover progress from previous job attempts if spill encryption is
enabled
> --------------------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6638
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6638
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: applicationmaster
>    Affects Versions: 2.7.2
>            Reporter: Karthik Kambatla
>            Assignee: Haibo Chen
>         Attachments: mapreduce6638.001.patch, mapreduce6638.002.patch, mapreduce6638.003.patch,
mapreduce6638.004.patch, mapreduce6683.005.patch
>
>
> Post the fix to CVE-2015-1776, jobs with ecrypted spills enabled cannot be recovered
if the AM fails. We should store the key some place safe so they can actually be recovered.
If there is no "safe" place, at least we should restart the job by re-running all mappers/reducers.




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