[jira] [Created] (SPARK-10555) Add INotifyDStream to Spark Streaming

["Vinoth Chandar (JIRA)" <ji...@apache.org>]

Vinoth Chandar created SPARK-10555:
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             Summary: Add INotifyDStream to Spark Streaming
                 Key: SPARK-10555
                 URL: https://issues.apache.org/jira/browse/SPARK-10555
             Project: Spark
          Issue Type: New Feature
          Components: Streaming
            Reporter: Vinoth Chandar


Currently, spark streaming has support for fileStreams, and while this is super useful in general, it has its limitations - such as only being able to process new files under each folder. 

There are certain use cases (such as monitoring a root folder for incoming data, and registering the files into HIVE & performing file level replication across HDFS clusters) where taking actions based on multi level nested uploads is useful. 

We have a POC version of INotifyDStream that we are currently using in Staging environment at Uber. Would love to contribute that back, if it makes sense for Spark. 



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