LuciferYang commented on a change in pull request #25309:
[SPARK-28577][YARN]Ensure executorMemoryOverHead requested value not less than
offHeapSize when offHeap enable
URL: https://github.com/apache/spark/pull/25309#discussion_r310104179
##########
File path:
resource-managers/yarn/src/main/scala/org/apache/spark/deploy/yarn/YarnSparkHadoopUtil.scala
##########
@@ -184,4 +184,24 @@ object YarnSparkHadoopUtil {
ConverterUtils.toContainerId(containerIdString)
}
+ /**
+ * If MEMORY_OFFHEAP_ENABLED is true, we should ensure
executorOverheadMemory requested value
+ * is not less than MEMORY_OFFHEAP_SIZE, otherwise the memory resource
requested for executor
+ * may be not enough.
+ */
+ def executorMemoryOverheadRequested(sparkConf: SparkConf): Int = {
+ val executorMemory = sparkConf.get(EXECUTOR_MEMORY).toInt
+ val overhead = sparkConf.get(EXECUTOR_MEMORY_OVERHEAD).getOrElse(
+ math.max((MEMORY_OVERHEAD_FACTOR * executorMemory).toInt,
MEMORY_OVERHEAD_MIN)).toInt
+ val offHeap = if (sparkConf.get(MEMORY_OFFHEAP_ENABLED)) {
+ val size =
+ sparkConf.getSizeAsMb(MEMORY_OFFHEAP_SIZE.key,
MEMORY_OFFHEAP_SIZE.defaultValueString)
+ require(size > 0,
+ s"${MEMORY_OFFHEAP_SIZE.key} must be > 0 when
${MEMORY_OFFHEAP_ENABLED.key} == true")
+ logInfo(s"${MEMORY_OFFHEAP_ENABLED.key} is true,
${MEMORY_OFFHEAP_SIZE.key} is $size, " +
Review comment:
@xuanyuanking Thx for ur review , in
[9421fbe](https://github.com/apache/spark/pull/25309/commits/9421fbebc28fb96d0f5f0c5189f846fc7de55d35)
change to print a warn log when `offHeapSize` more than `overhead`
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