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From Emre Sevinç (JIRA) <j...@apache.org>
Subject [jira] [Commented] (SPARK-3276) Provide a API to specify whether the old files need to be ignored in file input text DStream
Date Mon, 30 Mar 2015 14:40:53 GMT

    [ https://issues.apache.org/jira/browse/SPARK-3276?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14386775#comment-14386775
] 

Emre Sevinç commented on SPARK-3276:
------------------------------------

Any plans to make the private val {{FileInputDStream.MIN_REMEMBER_DURATION}} configurable
via some API?

It seems to be hard-coded as 1 minute in https://github.com/apache/spark/blob/branch-1.2/streaming/src/main/scala/org/apache/spark/streaming/dstream/FileInputDStream.scala#L325,
and this leads to files older than 1 minute not to be processed.

> Provide a API to specify whether the old files need to be ignored in file input text
DStream
> --------------------------------------------------------------------------------------------
>
>                 Key: SPARK-3276
>                 URL: https://issues.apache.org/jira/browse/SPARK-3276
>             Project: Spark
>          Issue Type: Improvement
>          Components: Streaming
>    Affects Versions: 1.2.0
>            Reporter: Jack Hu
>            Priority: Minor
>
> Currently, only one API called textFileStream in StreamingContext to specify the text
file dstream, which ignores the old files always. On some times, the old files is still useful.
> Need a API to let user choose whether the old files need to be ingored or not .
> The API currently in StreamingContext:
> def textFileStream(directory: String): DStream[String] = {
>     fileStream[LongWritable, Text, TextInputFormat](directory).map(_._2.toString)
>   }



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