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logger.info用下面的代码,如果我取消log_it
线程数的增加,threading.active_count
达到11 ,因为这意味着每个记录创建_DummyThread daemons.Now
与运行在greenlet
Q1.Is他们的任何方式来达到同样的不创建额外的线程?
Q2.为什么记录器需要创建另一个线程。为什么它不能以相同的方式执行,如fun
函数?
from gevent import monkey
monkey.patch_all()
import threading
import gc
import gevent
import logging
def print_stats():
while True:
gc.collect()
print threading.active_count()
gevent.sleep(2)
jobs = [gevent.spawn(print_stats)]
logger = logging.getLogger(__name__)
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)
logger.setLevel(logging.INFO)
form = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
ch.setFormatter(form)
logger.addHandler(ch)
def log_it():
string = 'abcdefghijklmnopqrstuvwxyz'
logger.info(string)
def fun():
print "hello world"
def block_for_some_time():
log_it()
fun()
gevent.sleep(5)
print 'exiting thread'
for i in range(10):
jobs.append(gevent.spawn(block_for_some_time))
gevent.joinall(jobs)