Stas Levin created BEAM-1828:
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Summary: GlobalWatermarkHolder uses unpersist instead of destory
Key: BEAM-1828
URL: https://issues.apache.org/jira/browse/BEAM-1828
Project: Beam
Issue Type: Bug
Components: runner-spark
Reporter: Stas Levin
Assignee: Amit Sela
Priority: Minor
{{GlobalWatermarkHolder}} uses {{unpersist}} when it's done with the broadcast,
however, this leaves a copy of the broadcast in the driver's memory so
{{destroy}} may be more appropriate for this.
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