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Posted to issues@spark.apache.org by "Genmao Yu (JIRA)" <ji...@apache.org> on 2016/12/21 06:28:58 UTC
[jira] [Created] (SPARK-18960) Avoid double reading file which is
being copied.
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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