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brickster_2018
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Resolved! What is off-heap memory? For which all instances off-heap is enabled by default?

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brickster_2018
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The off-heap memory is managed outside the executor JVM. Spark has native support to use off-heap memory. The off-heap memory is managed by Spark and not controlled by the executor JVM. Hence GC cycles on the executor do not clean up off-heap. Databr...

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