Davies Liu created SPARK-12729:
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Summary: phantom references to replace the finalize call in python
broadcast
Key: SPARK-12729
URL: https://issues.apache.org/jira/browse/SPARK-12729
Project: Spark
Issue Type: Improvement
Reporter: Davies Liu
it is doing IO operations and blocking the GC thread,
see
http://resources.ej-technologies.com/jprofiler/help/doc/index.html#jprofiler.helptopics.cpu.finalizers
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