srowen commented on code in PR #37404:
URL: https://github.com/apache/spark/pull/37404#discussion_r942659571
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sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/FileStatusCache.scala:
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@@ -36,6 +37,8 @@ import org.apache.spark.util.SizeEstimator
object FileStatusCache {
private var sharedCache: SharedInMemoryCache = _
+ private[spark] val sessionToCache = new mutable.HashMap[String,
FileStatusCache]
Review Comment:
Can this itself grow large? I'm also wary of maps that track stuff over long
periods as a potential memory problem
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