Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/21705#discussion_r199936887
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/StaticSQLConf.scala
---
@@ -66,6 +66,12 @@ object StaticSQLConf {
.checkValue(cacheSize => cacheSize >= 0, "The maximum size of the
cache must not be negative")
.createWithDefault(1000)
+ val CODEGEN_CACHE_SIZE = buildStaticConf("spark.sql.codegen.cacheSize")
+ .doc("The maximum cache size for generated classes.")
--- End diff --
We need to explain what is the cache is. It is hard to tell based on this
description.
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