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https://issues.apache.org/jira/browse/KYLIN-3466?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16554060#comment-16554060
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Zhong Yanghong commented on KYLIN-3466:
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If using normal writer of output format, this issue may not happen and it's
better to enable speculative.
> Should disable speculative mappers for those mapper only jobs
> -------------------------------------------------------------
>
> Key: KYLIN-3466
> URL: https://issues.apache.org/jira/browse/KYLIN-3466
> Project: Kylin
> Issue Type: Improvement
> Components: Job Engine
> Reporter: Zhong Yanghong
> Assignee: Zhong Yanghong
> Priority: Critical
>
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