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From "Sean Owen (JIRA)" <>
Subject [jira] [Resolved] (SPARK-22526) Document closing of PortableDataInputStream in binaryFiles
Date Tue, 05 Dec 2017 14:16:01 GMT


Sean Owen resolved SPARK-22526.
    Resolution: Won't Fix

> Document closing of PortableDataInputStream in binaryFiles
> ----------------------------------------------------------
>                 Key: SPARK-22526
>                 URL:
>             Project: Spark
>          Issue Type: Improvement
>          Components: Documentation, Spark Core
>    Affects Versions: 2.2.0
>            Reporter: mohamed imran
>            Priority: Minor
>   Original Estimate: 168h
>  Remaining Estimate: 168h
> Hi,
> I am using Spark 2.2.0(recent version) to read binary files from S3. I use sc.binaryfiles
to read the files.
> It is working fine until some 100 file read but later it get hangs indefinitely from
5 up to 40 mins like Avro file read issue(it was fixed in the later releases)
> I tried setting the fs.s3a.connection.maximum to some maximum values but didn't help.
> And finally i ended up using the spark speculation parameter set which is again didnt
help much. 
> One thing Which I observed is that it is not closing the connection after every read
of binary files from the S3.
> example :- sc.binaryFiles("s3a://test/")
> Please look into this major issue!      

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