RACER_ENABLE_REMOTE_DIRS=${RACER_ENABLE_REMOTE_DIRS:-false}
RACER_ENABLE_STRIPED_DIRS=${RACER_ENABLE_STRIPED_DIRS:-false}
RACER_ENABLE_MIGRATION=${RACER_ENABLE_MIGRATION:-false}
RACER_ENABLE_REMOTE_DIRS=${RACER_ENABLE_REMOTE_DIRS:-false}
RACER_ENABLE_STRIPED_DIRS=${RACER_ENABLE_STRIPED_DIRS:-false}
RACER_ENABLE_MIGRATION=${RACER_ENABLE_MIGRATION:-false}