Weichen Xu created SPARK-16696:
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Summary: unused broadcast variables should call destroy instead of
unpersist
Key: SPARK-16696
URL: https://issues.apache.org/jira/browse/SPARK-16696
Project: Spark
Issue Type: Bug
Components: ML, MLlib
Affects Versions: 2.0.1, 2.1.0
Reporter: Weichen Xu
Unused broadcast variables should call destroy() instead of unpersist() so that
the memory can released in time, even in driver-side.
currently, several algorithm in ML, such as KMeans, LDA, Word2Vec, has this
problem. Several places unused broadcast vars even neither call unpersit() nor
call destroy()
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