bigchaindb/bigchaindb/commands/bigchain_benchmark.py

85 lines
2.7 KiB
Python

"""Command line interface for the `bigchaindb-benchmark` command."""
import logging
import argparse
import logstats
import bigchaindb
import bigchaindb.config_utils
from bigchaindb.util import ProcessGroup
from bigchaindb.client import temp_client
from bigchaindb.commands.utils import base_parser, start
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
def _run_load(tx_left, stats):
logstats.thread.start(stats)
client = temp_client()
# b = bigchaindb.Bigchain()
while True:
tx = client.create()
stats['transactions'] += 1
if tx_left is not None:
tx_left -= 1
if tx_left == 0:
break
def run_load(args):
bigchaindb.config_utils.autoconfigure(filename=args.config, force=True)
logger.info('Starting %s processes', args.multiprocess)
stats = logstats.Logstats()
logstats.thread.start(stats)
tx_left = None
if args.count > 0:
tx_left = int(args.count / args.multiprocess)
workers = ProcessGroup(concurrency=args.multiprocess,
target=_run_load,
args=(tx_left, stats.get_child()))
workers.start()
def main():
parser = argparse.ArgumentParser(description='Benchmark your bigchain federation.',
parents=[base_parser])
# all the commands are contained in the subparsers object,
# the command selected by the user will be stored in `args.command`
# that is used by the `main` function to select which other
# function to call.
subparsers = parser.add_subparsers(title='Commands',
dest='command')
# parser for database level commands
load_parser = subparsers.add_parser('load',
help='Write transactions to the backlog')
load_parser.add_argument('-m', '--multiprocess',
nargs='?',
type=int,
default=False,
help='Spawn multiple processes to run the command, '
'if no value is provided, the number of processes '
'is equal to the number of cores of the host machine')
load_parser.add_argument('-c', '--count',
default=0,
type=int,
help='Number of transactions to push. If the parameter -m '
'is set, the count is distributed equally to all the '
'processes')
start(parser, globals())
if __name__ == '__main__':
main()