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https://issues.apache.org/jira/browse/TEZ-4254?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17259532#comment-17259532
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Mustafa İman commented on TEZ-4254:
-----------------------------------
tez.runtime.shuffle.ssl.enable in Tez fetcher has to match
mapreduce.shuffle.ssl.enabled in Shuffle handler anyway. Isn't that right?
Otherwise, fetcher cannot fetch things from shuffle handler.
> Don't unset the tez config if both mr and tez config have same value.
> ---------------------------------------------------------------------
>
> Key: TEZ-4254
> URL: https://issues.apache.org/jira/browse/TEZ-4254
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.9.1
> Reporter: Rajkumar Singh
> Priority: Major
> Attachments: TEZ-4254.patch
>
>
> while translated mr config to the tez config we unset config here.
> https://github.com/apache/tez/blob/master/tez-mapreduce/src/main/java/org/apache/tez/mapreduce/hadoop/MRHelpers.java#L187
> There is no need to unset the config if both mr and tez have same value.
> we observed if equivalent of tez config for mapreduce.shuffle.ssl.enabled
> (tez.runtime.shuffle.ssl.enable) set to true, we unset the config, this
> propagate config
> tez.runtime.shuffle.ssl.enable={mapreduce.shuffle.ssl.enabled} at runtime and
> variable substitution does not work correctly in the absence of mrconfig
> runtime.
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