console output can see 111111, but the back is gone, look at the process deadlock, and can not steadily reproduce the problem. Come out 10 times and come out once and twice
def check(s,c):
print(22222222222222)
app = current_app._get_current_object()
logger = current_app.logger
...
class fix_service(Resource):
def post(self, service_id):
...
logger.info("fix: {name} donestart check".format(name=service.name))
-sharp check
with multiprocessing.Pool() as pool:
print(111111111)
check_results = pool.starmap(check, containers)
logger.info("fix: check done")
...-sharp ps -elf
0 S root 6517 5322 0 80 0 - 50490 poll_s 10:54 ? 00:00:00 /usr/local/bin/python3.5 /usr/local/bin/gunicorn --threads 8 app:create_app("test") -b 0.0.0.0:18113 --access-lo
1 S root 6520 6517 1 80 0 - 290893 ep_pol 10:54 ? 00:00:10 /usr/local/bin/python3.5 /usr/local/bin/gunicorn --threads 8 app:create_app("test") -b 0.0.0.0:18113 --access-lo
1 S root 6730 6520 0 80 0 - 290690 futex_ 11:01 ? 00:00:00 /usr/local/bin/python3.5 /usr/local/bin/gunicorn --threads 8 app:create_app("test") -b 0.0.0.0:18113 --access-lo
(gdb) bt
-sharp0 0x00007f99c0e31a00 in sem_wait () from /lib64/libpthread.so.0
-sharp1 0x00007f99b5950ff1 in semlock_acquire (self=0x7f99ace44688, args=<value optimized out>, kwds=<value optimized out>) at /opt/soft/Python-3.5.2/Modules/_multiprocessing/semaphore.c:307
-sharp2 0x00007f99c10fd961 in PyCFunction_Call (func=0x7f99ad2000d8, args=0x7f99c16ff048, kwds=<value optimized out>) at Objects/methodobject.c:98
-sharp3 0x00007f99c1184f25 in call_function (f=<value optimized out>, throwflag=<value optimized out>) at Python/ceval.c:4705
-sharp4 PyEval_EvalFrameEx (f=<value optimized out>, throwflag=<value optimized out>) at Python/ceval.c:3236
-sharp5 0x00007f99c1185e99 in _PyEval_EvalCodeWithName (_co=<value optimized out>, globals=<value optimized out>, locals=<value optimized out>, args=<value optimized out>, argcount=1,