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[KYLIN-5462]Limit the initial size of spark executor #2090

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[KYLIN-5462]Limit the initial size of spark executor #2090

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8 changes: 8 additions & 0 deletions ...park-engine/src/main/java/org/apache/kylin/engine/spark/application/SparkApplication.java
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Original file line number Diff line number Diff line change
Expand Up @@ -343,6 +343,14 @@ private void autoSetSparkConf(SparkConf sparkConf) throws Exception {
helper.setConf(SparkConfHelper.COUNT_DISTICT, hasCountDistinct().toString());
helper.generateSparkConf();
helper.applySparkConf(sparkConf);
helper.setConf(SparkConfHelper.COUNT_DISTICT, hasCountDistinct().toString());
if (Boolean.valueOf(configOverride.getOrDefault("spark.dynamicAllocation.enabled", "false"))) {
int maxExecutors = Integer.valueOf(configOverride.getOrDefault("spark.dynamicAllocation.maxExecutors",
String.valueOf(Integer.MAX_VALUE)));
helper.setConf(SparkConfHelper.MAX_EXECUTORS, String.valueOf(maxExecutors));
} else {
helper.setConf(SparkConfHelper.MAX_EXECUTORS, String.valueOf(Integer.MAX_VALUE));
}
}

protected String chooseContentSize(Path shareDir) throws IOException {
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2 changes: 2 additions & 0 deletions ...ylin-spark-engine/src/main/scala/org/apache/kylin/engine/spark/utils/SparkConfHelper.java
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Expand Up @@ -63,6 +63,8 @@ public class SparkConfHelper {
public static final String DRIVER_OVERHEAD = "spark.driver.memoryOverhead";
public static final String DRIVER_CORES = "spark.driver.cores";
public static final String COUNT_DISTICT = "count_distinct";
public static final String MAX_EXECUTORS = "spark.dynamicAllocation.maxExecutors";


private static final List<SparkConfRule> EXECUTOR_RULES = ImmutableList.of(new ExecutorMemoryRule(),
new ExecutorCoreRule(), new ExecutorOverheadRule(), new ExecutorInstancesRule(),
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3 changes: 2 additions & 1 deletion ...-project/kylin-spark-engine/src/main/scala/org/apache/spark/conf/rule/SparkConfRule.scala
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Expand Up @@ -137,7 +137,8 @@ class ExecutorInstancesRule extends SparkConfRule {

val needInstance = Math.max(calculateExecutorInsByLayoutSize.toLong, requiredCores.toInt / executorCore)
val instance = Math.min(needInstance, queueAvailableInstance)
val executorInstance = Math.max(instance.toLong, baseExecutorInstances.toLong).toString
val dynamicMaxExecutors = helper.getConf(SparkConfHelper.MAX_EXECUTORS)
val executorInstance = Math.min(Math.max(instance.toLong, baseExecutorInstances.toLong), dynamicMaxExecutors.toLong).toString
logInfo(s"Current queueAvailableInstance is $queueAvailableInstance, " +
s"needInstance is $needInstance, instance is $instance")
helper.setConf(SparkConfHelper.EXECUTOR_INSTANCES, executorInstance)
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