Export a amount of data, report 500

1、using benchmark to write data:
GROUP_NUMBER=10

DEVICE_NUMBER=10
SENSOR_NUMBER=300
LOOP=1000
BATCH_SIZE_PER_WRITE=1000
IS_OUT_OF_ORDER=true
OUT_OF_ORDER_MODE=BATCH
2、In iotdb-engine.properties，modify a parameter：

max_deduplicated_path_num=100000
3、execute csv export: