benchmarks/future_batches.py

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# distributed with this work for additional information
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# to you 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
#
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import logging
from base import benchmark, BenchmarkThread
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)