Installation
pylibmc is a great Python client for memcached written in C.
sudo pip install pylibmc
Mini Benchmark
cat > kestrel-benchmark.py <<- "_EOF_"
# -*- coding: utf-8 -*-
import pylibmc
import sys, time, datetime
def main():
# time python kestrel-benchmark.py
if len(sys.argv) < 2:
print("need write or read parameter")
return
mc = pylibmc.Client(['127.0.0.1:22133'])
i, action = 0, sys.argv[1]
max=1000000
queue_name="test_queue"
print( str(datetime.datetime.now())+" start "+action+" ... ")
t1 = time.time()
if action == 'write':
i = queue_write(mc, max, queue_name)
else:
i = queue_read(mc, queue_name)
t2= time.time()
duration = (t2-t1)*1000.0
text = str(datetime.datetime.now())+" "+action+" "+str(i)+" entries in "+('% 4.f ms' % duration)
print(text)
def queue_write(mc, max, queue_name):
for i in range(1,max+1):
mc.set(queue_name, "queue entry!"+str(i))
return i
def queue_read(mc, queue_name):
i, entry = 0, True
while entry:
entry = mc.get(queue_name+"/open")
# do something with entry
if entry:
closed = mc.get(queue_name+"/close")
i+=1
return i
if __name__ == '__main__':
main()
_EOF_
time python kestrel-benchmark.py write
#2013-04-15 14:47:16.451786 start write ...
#2013-04-15 14:49:12.313367 write 1000000 entries in 115862 ms
#
#real 1m55.909s
#user 0m10.361s
#sys 0m25.702s
time python kestrel-benchmark.py read
#2013-04-15 14:49:37.881742 start read ...
#2013-04-15 14:53:56.641919 read 1100000 entries in 258760 ms
#
#real 4m18.800s
#user 0m16.649s
#sys 0m59.640s
References
1. pylibmc Home:https://pypi.python.org/pypi/pylibmc
2. pylibmc Documentation: http://sendapatch.se/projects/pylibmc/
3. Kestrel Installation Guide: /371/kestrel-queue-installation-in-ubuntu