在beam中,'p”代表着传输协议(Protocol)。例如在使用Apache Beam时,可以使用以下代码指定传输协议为Direct:
import apache_beam as beam
from apache_beam.options.pipeline_options import PipelineOptions
options = PipelineOptions()
options.view_as(beam.options.pipeline_options.DirectOptions).direct_num_workers = 1
with beam.Pipeline(options=options) as p:
# your pipeline code here