[SPARK-16440][MLlib] Destroy broadcasted variables even on driver #14268
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What changes were proposed in this pull request?
Forgotten broadcasted variables were persisted into a previous #PR 14153). This PR turns those
unpersist()
intodestroy()
so that memory is freed even on the driver.How was this patch tested?
Unit Tests in Word2VecSuite were run locally.
This contribution is done on behalf of Criteo, according to the
terms of the Apache license 2.0.