maropu commented on a change in pull request #24028: [SPARK-26917][SQL] Further
reduce locks in CacheManager
URL: https://github.com/apache/spark/pull/24028#discussion_r264472948
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/CacheManager.scala
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@@ -47,7 +46,7 @@ case class CachedData(plan: LogicalPlan,
cachedRepresentation: InMemoryRelation)
class CacheManager extends Logging {
@transient
- private val cachedData = new java.util.LinkedList[CachedData]
+ private var cachedData = IndexedSeq[CachedData]()
Review comment:
I'm not 100 sure though, we don't need `volatile` for this var?
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