WangGuangxin commented on a change in pull request #34846:
URL: https://github.com/apache/spark/pull/34846#discussion_r805219114
##########
File path: core/src/main/scala/org/apache/spark/util/Utils.scala
##########
@@ -3232,6 +3232,24 @@ private[spark] object Utils extends Logging {
case _ => math.max(sortedSize(len / 2), 1)
}
}
+
+ /**
+ * Return whether we are using G1GC or not
+ */
+ val isG1GC: Boolean = {
Review comment:
ok, updated
##########
File path: core/src/main/scala/org/apache/spark/memory/MemoryManager.scala
##########
@@ -254,10 +259,16 @@ private[spark] abstract class MemoryManager(
case MemoryMode.OFF_HEAP => offHeapExecutionMemoryPool.poolSize
}
val size = ByteArrayMethods.nextPowerOf2(maxTungstenMemory / cores /
safetyFactor)
- val default = math.min(maxPageSize, math.max(minPageSize, size))
- conf.get(BUFFER_PAGESIZE).getOrElse(default)
+ val choosedPageSize = math.min(maxPageSize, math.max(minPageSize, size))
Review comment:
done
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