DSBulk Operation failed with Java heap size

 Example: Operation LOAD_20200714-055402-943439 failed unexpectedly: Java heap space

Increase the Java heap allocation for DSBulk by

export DSBULK_JAVA_OPTS="$DSBULK_JAVA_OPTS -Xmx16G"

Reference: https://docs.datastax.com/en/dsbulk/doc/dsbulk/install/dsbulkInstall.html#Post-installrequirementsandrecommendations

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