Porting change over from master: parallelized copy crashes server
Porting change over from master: parallelized copy crashes server

CarnegieLearning/MathFluency,CarnegieLearning/MathFluency,synaptek/MathFluency,CarnegieLearning/MathFluency,synaptek/MathFluency,synaptek/MathFluency,synaptek/MathFluency,CarnegieLearning/MathFluency