Hi, all.
Here, I want to start a main process and multi subprocess by using
oslo_service. So I launch a service like this:
from oslo_service import service as common_service
def serve_wsgi(cls):
try:
service = cls.create()
except Exception:
with excutils.save_and_reraise_exception():
LOG.exception(''......')
return service
class ApiService(WsgiService):
"""Class for tacker-api service."""
@classmethod
def create(cls, app_name='abc'):
service = cls(app_name)
return service
api = service.serve_wsgi(service.ApiService)
launcher = common_service.launch(cfg.CONF, api,
workers=cfg.CONF.api_workers or
None)
launcher.wait()
Everything goes well when the "api_workers " equals 0 or 1. But two main
processes were started when the " api_workers " equals 2. The log shows
below:
2017-06-27 17:42:18.864 1958058 INFO abc.common.wsgi [-] (1958058) wsgi
starting up on http://0.0.0.0:9914/
2017-06-27 17:42:18.864 1958059 INFO abc.common.wsgi [-] (1958059) wsgi
starting up on http://0.0.0.0:9914/
Could someone tell me the reason why two main processes were started ?
Thanks
Zhi Chang
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