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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6638) Do not attempt to recover progress from previous job attempts if spill encryption is enabled
Date Mon, 03 Oct 2016 17:35:20 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Karthik Kambatla updated MAPREDUCE-6638:
----------------------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 3.0.0-alpha2
                   2.9.0
           Status: Resolved  (was: Patch Available)

Just committed to trunk and branch-2. Thanks [~haibochen] for cleaning this up, and [~hitesh]
for chiming in on the appropriateness of the title/commit message. 

> 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
>             Fix For: 2.9.0, 3.0.0-alpha2
>
>         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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