zhztheplayer opened a new pull request, #7842:
URL: https://github.com/apache/incubator-gluten/pull/7842
This is currently a PoC and not yet workable because of a blocker from
Velox's single-threaded execution design:
```
I20241107 15:06:23.310680 1849235 VeloxPlanConverter.cc:128] Plan Node:
-- Aggregation[7][PARTIAL n7_0 := count_partial("n0_0")] -> n7_0:BIGINT
-- LocalPartition[6][GATHER] -> n0_0:BIGINT
-- Project[4][expressions: (n0_0:BIGINT, "n1_1")] -> n0_0:BIGINT
-- Project[1][expressions: (n1_1:BIGINT, "n0_0")] -> n1_1:BIGINT
-- TableScan[0][table: hive_table] -> n0_0:BIGINT
-- Project[5][expressions: (n0_0:BIGINT, "n3_1")] -> n0_0:BIGINT
-- Project[3][expressions: (n3_1:BIGINT, "n2_0")] -> n3_1:BIGINT
-- TableScan[2][table: hive_table] -> n2_0:BIGINT
24/11/07 15:06:23 ERROR TaskResources: Task 11 failed by error:
org.apache.gluten.exception.GlutenException: Task doesn't support single
thread execution: -- Aggregation[7]
at
org.apache.gluten.vectorized.PlanEvaluatorJniWrapper.nativeCreateKernelWithIterator(Native
Method)
at
org.apache.gluten.vectorized.NativePlanEvaluator.createKernelWithBatchIterator(NativePlanEvaluator.java:66)
at
org.apache.gluten.backendsapi.velox.VeloxIteratorApi.genFirstStageIterator(VeloxIteratorApi.scala:214)
at
org.apache.gluten.execution.GlutenWholeStageColumnarRDD.$anonfun$compute$1(GlutenWholeStageColumnarRDD.scala:88)
at org.apache.gluten.utils.Arm$.withResource(Arm.scala:25)
at
org.apache.gluten.metrics.GlutenTimeMetric$.millis(GlutenTimeMetric.scala:37)
at
org.apache.gluten.execution.GlutenWholeStageColumnarRDD.compute(GlutenWholeStageColumnarRDD.scala:77)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:367)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:331)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:367)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:331)
at
org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:52)
at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:367)
at org.apache.spark.rdd.RDD.iterator(RDD.scala:331)
at
org.apache.spark.shuffle.ShuffleWriteProcessor.write(ShuffleWriteProcessor.scala:59)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:104)
at
org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:54)
at
org.apache.spark.TaskContext.runTaskWithListeners(TaskContext.scala:166)
at org.apache.spark.scheduler.Task.run(Task.scala:141)
at
org.apache.spark.executor.Executor$TaskRunner.$anonfun$run$4(Executor.scala:620)
at
org.apache.spark.util.SparkErrorUtils.tryWithSafeFinally(SparkErrorUtils.scala:64)
at
org.apache.spark.util.SparkErrorUtils.tryWithSafeFinally$(SparkErrorUtils.scala:61)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:94)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:623)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
```
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