zml1206 commented on code in PR #7857:
URL: https://github.com/apache/incubator-gluten/pull/7857#discussion_r1833716284
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gluten-core/src/main/scala/org/apache/gluten/GlutenPlugin.scala:
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@@ -134,7 +134,11 @@ private[gluten] class GlutenDriverPlugin extends
DriverPlugin with Logging {
conf.set(SPARK_SESSION_EXTENSIONS.key, extensions)
// adaptive custom cost evaluator class
- if (GlutenConfig.getConf.enableGluten &&
GlutenConfig.getConf.enableGlutenCostEvaluator) {
+ val glutenEnabled = conf.getBoolean(GlutenConfig.GLUTEN_ENABLED_KEY,
GLUTEN_ENABLED_BY_DEFAULT)
+ lazy val enableGlutenCostEvaluator = conf.getBoolean(
+ GlutenConfig.GLUTEN_COST_EVALUATOR_ENABLED,
+ GLUTEN_COST_EVALUATOR_DEFAULT_VALUE)
+ if (glutenEnabled && enableGlutenCostEvaluator) {
val costEvaluator =
"org.apache.spark.sql.execution.adaptive.GlutenCostEvaluator"
conf.set(SQLConf.ADAPTIVE_CUSTOM_COST_EVALUATOR_CLASS.key, costEvaluator)
}
Review Comment:
There seems to be no problem with always loading GlutenCostEvaluator,
because GlutenCostEvaluator will determine whether gluten is enabled.
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