Genmao Yu created SPARK-18960:
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Summary: Avoid double reading file which is being copied.
Key: SPARK-18960
URL: https://issues.apache.org/jira/browse/SPARK-18960
Project: Spark
Issue Type: Bug
Components: SQL, Structured Streaming
Affects Versions: 2.0.2
Reporter: Genmao Yu
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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