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From "Imran Rashid (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-23308) ignoreCorruptFiles should not ignore retryable IOException
Date Mon, 05 Feb 2018 18:39:00 GMT

    [ https://issues.apache.org/jira/browse/SPARK-23308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16352744#comment-16352744
] 

Imran Rashid commented on SPARK-23308:
--------------------------------------

I think the problem is that its really tricky to know which exceptions look like a corrupted
file and which don't, especially as {{readFunction()}} is somewhat generic there.  Yeah, SocketTimeException
is perhaps worth a retry ...

Did you run into this?  Do you have a full stack trace of when you got a SocketTimeoutException
and the rest of the content was ignored?

> ignoreCorruptFiles should not ignore retryable IOException
> ----------------------------------------------------------
>
>                 Key: SPARK-23308
>                 URL: https://issues.apache.org/jira/browse/SPARK-23308
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.2.1
>            Reporter: Márcio Furlani Carmona
>            Priority: Minor
>
> When `spark.sql.files.ignoreCorruptFiles` is set it totally ignores any kind of RuntimeException
or IOException, but some possible IOExceptions may happen even if the file is not corrupted.
> One example is the SocketTimeoutException which can be retried to possibly fetch the
data without meaning the data is corrupted.
>  
> See: 
> https://github.com/apache/spark/blob/e30e2698a2193f0bbdcd4edb884710819ab6397c/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileScanRDD.scala#L163



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