[jira] [Commented] (SPARK-22528) History service and non-HDFS filesystems

["Sean Owen (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-22528?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16253577#comment-16253577 ] 

Sean Owen commented on SPARK-22528:
-----------------------------------

This sounds like a question for the mailing list.

> History service and non-HDFS filesystems
> ----------------------------------------
>
>                 Key: SPARK-22528
>                 URL: https://issues.apache.org/jira/browse/SPARK-22528
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 2.2.0
>            Reporter: paul mackles
>            Priority: Minor
>
> We are using Azure Data Lake (ADL) to store our event logs. This worked fine in 2.1.x but in 2.2.0, the event logs are no longer visible to the history server. I tracked it down to the call to:
> {code}
> SparkHadoopUtil.get.checkAccessPermission()
> {code}
> which was added to "FSHistoryProvider" in 2.2.0.
> I was able to workaround it by:
> * setting the files on ADL to world readable
> * setting HADOOP_PROXY to the Azure objectId of the service principal that owns file
> Neither of those workaround are particularly desirable in our environment. That said, I am not sure how this should be addressed:
> * Is this an issue with the Azure/Hadoop bindings not setting up the user context correctly so that the "checkAccessPermission()" call succeeds w/out having to use the username under which the process is running?
> * Is this an issue with "checkAccessPermission()" not really accounting for all of the possible FileSystem implementations? If so, I would imagine that there are similar issues when using S3.
> In spite of this check, I know the files are accessible through the underlying FileSystem object so it feels like the latter but I don't think that the FileSystem object alone could be used to implement this check.
> Any thoughts [~jerryshao]?



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