Yuri Bogomolov created SPARK-24889:
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Summary: dataset.unpersist() doesn't update storage memory stats
Key: SPARK-24889
URL: https://issues.apache.org/jira/browse/SPARK-24889
Project: Spark
Issue Type: Bug
Components: Spark Core
Affects Versions: 2.3.0
Reporter: Yuri Bogomolov
Steps to reproduce:
1) Start a Spark cluster, and check the storage memory value from the Spark Web
UI "Executors" tab (it should be equal to zero if you just started)
2) Run:
{code:java}
val df = spark.sqlContext.range(1, 1000000000)
df.cache()
df.count()
df.unpersist(true){code}
3) Check the storage memory value again, now it's equal to 1GB
Looks like the memory is actually released, but stats aren't updated. This
issue makes cluster management more complicated.
!image-2018-07-23-10-51-31-140.png!
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