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https://issues.apache.org/jira/browse/SPARK-33119?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17212299#comment-17212299
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Apache Spark commented on SPARK-33119:
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User 'wangyum' has created a pull request for this issue:
https://github.com/apache/spark/pull/30016
> Only return the first two rows to avoid Driver OOM
> --------------------------------------------------
>
> Key: SPARK-33119
> URL: https://issues.apache.org/jira/browse/SPARK-33119
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Yuming Wang
> Priority: Major
>
> {noformat}
> Exception in thread "subquery-2871" java.lang.OutOfMemoryError: Requested
> array size exceeds VM limit
> at
> scala.collection.mutable.ResizableArray$class.ensureSize(ResizableArray.scala:103)
> at scala.collection.mutable.ArrayBuffer.ensureSize(ArrayBuffer.scala:48)
> at scala.collection.mutable.ArrayBuffer.$plus$eq(ArrayBuffer.scala:84)
> at
> org.apache.spark.sql.execution.SparkPlan$$anonfun$executeCollect$1$$anonfun$apply$2.apply(SparkPlan.scala:352)
> at
> org.apache.spark.sql.execution.SparkPlan$$anonfun$executeCollect$1$$anonfun$apply$2.apply(SparkPlan.scala:352)
> at scala.collection.Iterator$class.foreach(Iterator.scala:893)
> at
> org.apache.spark.sql.execution.SparkPlan$$anon$1.foreach(SparkPlan.scala:330)
> at
> org.apache.spark.sql.execution.SparkPlan$$anonfun$executeCollect$1.apply(SparkPlan.scala:352)
> at
> org.apache.spark.sql.execution.SparkPlan$$anonfun$executeCollect$1.apply(SparkPlan.scala:351)
> at
> scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
> at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
> at
> org.apache.spark.sql.execution.SparkPlan.executeCollect(SparkPlan.scala:351)
> at
> org.apache.spark.sql.execution.adaptive.AdaptiveSparkPlanExec.executeCollect(AdaptiveSparkPlanExec.scala:274)
> at
> org.apache.spark.sql.execution.SubqueryExec$$anonfun$relationFuture$1$$anonfun$apply$3.apply(basicPhysicalOperators.scala:830)
> at
> org.apache.spark.sql.execution.SubqueryExec$$anonfun$relationFuture$1$$anonfun$apply$3.apply(basicPhysicalOperators.scala:827)
> at
> org.apache.spark.sql.execution.SQLExecution$$anonfun$withExecutionId$1.apply(SQLExecution.scala:132)
> at
> org.apache.spark.sql.execution.SQLExecution$.withSQLConfPropagated(SQLExecution.scala:156)
> at
> org.apache.spark.sql.execution.SQLExecution$.withExecutionId(SQLExecution.scala:129)
> at
> org.apache.spark.sql.execution.SubqueryExec$$anonfun$relationFuture$1.apply(basicPhysicalOperators.scala:827)
> at
> org.apache.spark.sql.execution.SubqueryExec$$anonfun$relationFuture$1.apply(basicPhysicalOperators.scala:827)
> at scala.
> {noformat}
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