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https://issues.apache.org/jira/browse/SPARK-15496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen reopened SPARK-15496:
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> 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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