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https://issues.apache.org/jira/browse/TEZ-2218?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16503385#comment-16503385
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Jonathan Eagles commented on TEZ-2218:
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The other consideration, is that for Pig and Hive, they are converting the
mapreduce.map.speculative mapreduce.reduce.speculative settings which are
defaulted to true in the hadoop distribution. From that perspective there may
not be any noticeable change from those application (Pig and Hive).
> Turn on speculation by default
> ------------------------------
>
> Key: TEZ-2218
> URL: https://issues.apache.org/jira/browse/TEZ-2218
> Project: Apache Tez
> Issue Type: Sub-task
> Reporter: Bikas Saha
> Assignee: Bikas Saha
> Priority: Major
>
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