Eric Liang created SPARK-15496:
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Summary: Spill metrics not updated when off-heap memory is enabled
Key: SPARK-15496
URL: https://issues.apache.org/jira/browse/SPARK-15496
Project: Spark
Issue Type: Bug
Affects Versions: 2.0.0
Reporter: Eric Liang
This is reproducible by looking in the SQL UI for the Sort operator spill
metrics after running the following query:
{code}
scala> val table = spark.range(0, 1000000000)
table: org.apache.spark.sql.Dataset[Long] = [id: bigint]
scala> table.join(table, "id").count()
res0: Long = 1000000000
{code}
If off-heap memory is enabled, e.g. bin/spark-shell
--master=local-cluster[1,16,250000] --conf spark.executor.memory=2g
--driver-memory 1g --conf spark.memory.offHeap.enabled=true --conf
spark.memory.offHeap.size=15g, then the spill metric will always be zero.
cc [~davies]
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