通過celery啟動服務，只有一個task，但是啟動耗時6分鐘，以前瞬間啟動好了， celery版本：3.1.27。服務用到了flask-socketio，因此采用了eventlet在開頭啟用monkey_patch()， 還用到了flask_redis。 而且運行flask以后發(fā)現(xiàn)處理連接也很慢，然后我測試了一下，發(fā)現(xiàn)redis.set()竟然耗時一分鐘，所以懷疑是redis的關(guān)系導致celery啟動太慢。

 -------------- celery@cent1416184 v3.1.17 (Cipater)
---- **** -----
--- * ***  * -- Linux-3.10.0-327.10.1.el7.x86_64-x86_64-with-centos-7.2.1511-Core
-- * - **** ---
- ** ---------- [config]
- ** ---------- .> app:         app:0x2ccbd90
- ** ---------- .> transport:   redis://localhost:6379/1
- ** ---------- .> results:     redis://localhost:6379/1
- *** --- * --- .> concurrency: 2 (eventlet)
-- ******* ----
--- ***** ----- [queues]
 -------------- .> celery           exchange=celery(direct) key=celery


[tasks]
  . app.api.tasks.process_task

[2018-05-09 06:59:40,009: INFO/MainProcess] Connected to redis://localhost:6379/1
[2018-05-09 07:00:40,021: INFO/MainProcess] mingle: searching for neighbors
[2018-05-09 07:02:41,037: INFO/MainProcess] mingle: all alone
[2018-05-09 07:03:41,056: INFO/MainProcess] pidbox: Connected to redis://localhost:6379/1.
[2018-05-09 07:05:41,063: WARNING/MainProcess] celery@cent1416184 ready.