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From "Hitesh Shah (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6638) Do not attempt to recover jobs if encrypted spill is enabled
Date Mon, 03 Oct 2016 16:51:20 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6638?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15542845#comment-15542845
] 

Hitesh Shah commented on MAPREDUCE-6638:
----------------------------------------

Havent looked at the patch in detail but [~haibochen]'s clarifying comments make sense. +0
from my side. 

> Do not attempt to recover jobs if encrypted spill 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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