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https://issues.apache.org/jira/browse/SPARK-17633?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-17633.
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I think Spark depends on the semantics of the Hadoop APIs to read data, and
they're not assuming the files can change. At best this is an issue with the
Hadoop implementation.
> texFile() and wholeTextFiles() count difference
> -----------------------------------------------
>
> Key: SPARK-17633
> URL: https://issues.apache.org/jira/browse/SPARK-17633
> Project: Spark
> Issue Type: Bug
> Components: Input/Output
> Affects Versions: 1.6.2
> Environment: Unix/Linux
> Reporter: Anshul
>
> sc.textFile() creates an RDD of string from a text file.
> After that when count is performed, the line count is correct, but if more
> than one line is appended to the file manually and counting the same RDD of
> string increments the output/result only by 1.
> But in case of sc.wholeTextFiles() the output/result is correct.
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