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Merge pull request #2 from thefab/benchmark
Add Tornadis benchmark script
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[run] | ||
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omit = tornadis/benchmark.py |
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import argparse | ||
import datetime | ||
import itertools | ||
import logging | ||
import math | ||
import sys | ||
import tornadis | ||
import tornado | ||
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logging.basicConfig(level=logging.CRITICAL) | ||
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def get_parameters(): | ||
parser = argparse.ArgumentParser(description='Tornadis benchmarking utility', add_help=False) | ||
parser.add_argument('--help', action='help') | ||
parser.add_argument('-h', '--hostname', help="Server hostname (default 127.0.0.1)", | ||
default="127.0.0.1") | ||
parser.add_argument('-p', '--port', help="Server port (default 6379)", default=6379) | ||
parser.add_argument('-a', '--password', help="Password for Redis Auth") | ||
parser.add_argument('-c', '--clients', help="Number of parallel connections (default 5)", | ||
type=int, default=5) | ||
parser.add_argument('-n', '--requests', help="Total number of requests (default 100000)", | ||
type=int, default=10000) | ||
parser.add_argument('-b', '--batch-size', help="Number of request to send in parallel", | ||
type=int, default=None) | ||
parser.add_argument('-d', '--data-size', default=2, | ||
help="Data size of SET/GET value in bytes (default 2)", type=int) | ||
return parser.parse_args() | ||
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def group_iterable(iterable, group_size): | ||
it = iter(iterable) | ||
while True: | ||
chunk = tuple(itertools.islice(it, group_size)) | ||
if not chunk: | ||
return | ||
yield chunk | ||
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class Benchmark(object): | ||
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def __init__(self, params): | ||
self.params = params | ||
self.request_count = self.params.requests | ||
self.requests_per_client = int(math.ceil(self.params.requests / float(self.params.clients))) | ||
self.response_count = 0 | ||
self.value = '*' * self.params.data_size | ||
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@tornado.gen.coroutine | ||
def multiple_set(self, client_number): | ||
client = tornadis.Client() | ||
print "Connect client", client_number | ||
yield client.connect() | ||
print "Client", client_number, "connected" | ||
futures = (client.call("SET", "benchmark-key", self.value) | ||
for _ in xrange(self.requests_per_client)) | ||
if self.params.batch_size: | ||
batches = group_iterable(futures, self.params.batch_size) | ||
for batch in itertools.imap(list, batches): | ||
print "Send {} requests with client {}".format(len(batch), client_number) | ||
responses = yield batch | ||
resp_count = len(responses) | ||
print "Received {} responses with client {}".format(resp_count, client_number) | ||
self.response_count += resp_count | ||
else: | ||
print "Send {} requests with client {}".format(self.requests_per_client, client_number) | ||
responses = yield list(futures) | ||
resp_count = len(responses) | ||
print "Received {} responses with client {}".format(resp_count, client_number) | ||
self.response_count += resp_count | ||
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def stop_loop(self, future): | ||
excep = future.exception() | ||
if self.response_count == self.request_count: | ||
loop = tornado.ioloop.IOLoop.instance() | ||
loop.stop() | ||
if excep is not None: | ||
raise(excep) | ||
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def main(): | ||
params = get_parameters() | ||
if params.requests % params.clients != 0: | ||
print >> sys.stderr, "Number of requests must be a multiple of number of clients" | ||
sys.exit(-1) | ||
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loop = tornado.ioloop.IOLoop.instance() | ||
benchmark = Benchmark(params) | ||
print "Max requests per client:", benchmark.requests_per_client | ||
before = datetime.datetime.now() | ||
for client_number in xrange(params.clients): | ||
future = benchmark.multiple_set(client_number) | ||
loop.add_future(future, benchmark.stop_loop) | ||
loop.start() | ||
after = datetime.datetime.now() | ||
seconds = (after - before).total_seconds() | ||
print "{} seconds".format(seconds) | ||
print "{} requests per second".format(int(params.requests / seconds)) | ||
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if __name__ == '__main__': | ||
main() |