maropu commented on a change in pull request #28852:
URL: https://github.com/apache/spark/pull/28852#discussion_r445886364
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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] = {
val cacheSize = conf.tableRelationCacheSize
- CacheBuilder.newBuilder().maximumSize(cacheSize).build[QualifiedTableName,
LogicalPlan]()
+ val cacheTTL = conf.metadataCacheTTL
+
+ var builder = CacheBuilder.newBuilder()
+ .maximumSize(cacheSize)
+
+ if (cacheTTL > 0) {
Review comment:
Could you update the description in the config?
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