mapreduce卡死因内存不足

Failed to place enough replicas: expected size is 1 but only 0 storage types can be selected (replication=2，selected=[J,，unavailable=[DISK,

Failed to place enough replicas: expected size is 1 but only 0 storage types can be selected (replication=2，selected=[J,，unavailable=[DISK,

如果有需要我把报错截完，希望各位大神帮帮我