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https://issues.apache.org/jira/browse/SPARK-24515?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-24515.
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Resolution: Incomplete
> No need to warning user when output commit coordination enabled
> ---------------------------------------------------------------
>
> Key: SPARK-24515
> URL: https://issues.apache.org/jira/browse/SPARK-24515
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.3.1
> Reporter: zhoukang
> Priority: Major
> Labels: bulk-closed
>
>
> No need to warning user when output commit coordination enabled
> {code:java}
> // When speculation is on and output committer class name contains "Direct",
> we should warn
> // users that they may loss data if they are using a direct output committer.
> val speculationEnabled = self.conf.getBoolean("spark.speculation", false)
> val outputCommitterClass = hadoopConf.get("mapred.output.committer.class", "")
> if (speculationEnabled && outputCommitterClass.contains("Direct")) {
> val warningMessage =
> s"$outputCommitterClass may be an output committer that writes data directly
> to " +
> "the final location. Because speculation is enabled, this output committer
> may " +
> "cause data loss (see the case in SPARK-10063). If possible, please use an
> output " +
> "committer that does not have this behavior (e.g. FileOutputCommitter)."
> logWarning(warningMessage)
> }
> {code}
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