cloud-fan commented on a change in pull request #28852:
URL: https://github.com/apache/spark/pull/28852#discussion_r455828151
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/catalog/SessionCatalog.scala
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@@ -135,7 +136,16 @@ class SessionCatalog(
private val tableRelationCache: Cache[QualifiedTableName, LogicalPlan] = {
Review comment:
Not related to this PR. I'm wondering how useful is this cache. The file
listing is cached in another place(`FileStatusCache`), and seems this relation
cache doesn't give many benefits. cc @viirya @maropu
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