deb-python-cassandra-driver/benchmarks/future_batches.py
2017-04-24 17:20:57 -04:00

53 lines
1.5 KiB
Python

# Copyright 2013-2017 DataStax, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import logging
from base import benchmark, BenchmarkThread
from six.moves import queue
log = logging.getLogger(__name__)
class Runner(BenchmarkThread):
def run(self):
futures = queue.Queue(maxsize=121)
self.start_profile()
for i in range(self.num_queries):
if i > 0 and i % 120 == 0:
# clear the existing queue
while True:
try:
futures.get_nowait().result()
except queue.Empty:
break
key = "{0}-{1}".format(self.thread_num, i)
future = self.run_query(key)
futures.put_nowait(future)
while True:
try:
futures.get_nowait().result()
except queue.Empty:
break
self.finish_profile()
if __name__ == "__main__":
benchmark(Runner)