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https://issues.apache.org/jira/browse/SPARK-18960?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-18960:
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Assignee: Genmao Yu
Target Version/s: (was: 2.0.3, 2.1.0)
Priority: Minor (was: Major)
Issue Type: Improvement (was: Bug)
> Avoid double reading file which is being copied.
> ------------------------------------------------
>
> Key: SPARK-18960
> URL: https://issues.apache.org/jira/browse/SPARK-18960
> Project: Spark
> Issue Type: Improvement
> Components: SQL, Structured Streaming
> Affects Versions: 2.0.2
> Reporter: Genmao Yu
> Assignee: Genmao Yu
> Priority: Minor
> Fix For: 2.2.0
>
>
> In HDFS, when we copy a file into target directory, there will a temporary
> {{._COPY_}} file for a period of time. The duration depends on file size. If
> we do not skip this file, we will may read the same data for two times.
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