read:{
filePath: "hdfs://127.0.0.1:9000/edge/work_for.csv"
# If the CSV file has a header or it is a json file, use the header. If not, use [_c0, _c1, _c2, ..., _cn] instead.
# The header of the source VID column.
srcId:"_c0"
# The header of the destination VID column.
dstId:"_c1"
# The header of the weight column.
weight: "_c3"
# Whether the csv file has a header.
header: false
# The delimiter in the csv file.
delimiter:","
}