测试redis-py的线程安全问题

import threading
import redis
#pool = redis.ConnectionPool(host="192.168.1.100", port=int(6379), db=1)
#redis_cache = redis.Redis(connection_pool=pool)
redis_cache = redis.StrictRedis(host="192.168.1.100",port=int(6379),db=1)

class TestThread(threading.Thread):  
	def __init__(self,redis_cache):  
		threading.Thread.__init__(self)  
		self.redis_cache = redis_cache  
  
	def run(self):  
		while True:  
			obj = self.redis_cache.get("uid:1002")
			if not obj:
				self.redis_cache.set("uid:1002","fdsjkfldsjlkdsflkds")
				self.redis_cache.expire("uid:1002", 60)
				print  self.getName()+'set'
			
			#print self.redis_cache.connection_pool._created_connections
			

for i in xrange(8):  
	t = TestThread(redis_cache)  
	t.start()