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https://issues.apache.org/jira/browse/SPARK-19748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-19748.
---------------------------------
Resolution: Fixed
Fix Version/s: 2.2.0
2.1.1
Issue resolved by pull request 17079
[https://github.com/apache/spark/pull/17079]
> refresh for InMemoryFileIndex with FileStatusCache does not work correctly
> --------------------------------------------------------------------------
>
> Key: SPARK-19748
> URL: https://issues.apache.org/jira/browse/SPARK-19748
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.2.0
> Reporter: Song Jun
> Fix For: 2.1.1, 2.2.0
>
>
> If we refresh a InMemoryFileIndex with a FileStatusCache, it will first use
> the FileStatusCache to generate the cachedLeafFiles etc, then call
> FileStatusCache.invalidateAll. the order to do these two actions is wrong,
> this lead to the refresh action does not take effect.
> {code}
> override def refresh(): Unit = {
> refresh0()
> fileStatusCache.invalidateAll()
> }
> private def refresh0(): Unit = {
> val files = listLeafFiles(rootPaths)
> cachedLeafFiles =
> new mutable.LinkedHashMap[Path, FileStatus]() ++= files.map(f =>
> f.getPath -> f)
> cachedLeafDirToChildrenFiles = files.toArray.groupBy(_.getPath.getParent)
> cachedPartitionSpec = null
> }
> {code}
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