02.celery配置与基本使用

1.celery配置与基本使用#

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1.1 安装celery#

pip install celery @ https://github.com/celery/celery/tarball/master

1.2 新建celery/main.py配置celery#

# celery_task/main.py
import os
from celery import Celery

# 定义celery实例, 需要的参数, 1, 实例名, 2, 任务发布位置, 3, 结果保存位置
app = Celery('mycelery',
             broker='redis://127.0.0.1:6379/14',  # 任务存放的地方 
             backend='redis://127.0.0.1:6379/15')  # 结果存放的地方


@app.task
def add(x, y):
    return x + y

2.测试celery#

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2.1 启动celery#

'''1.启动celery'''

#1.1 单进程启动celery
celery -A main worker -l INFO

#1.2 celery管理
celery  multi start celery_test -A celery_test -l debug --autoscale=50,5        # celery并发数：最多50个，最少5个
ps auxww|grep "celery worker"|grep -v grep|awk '{print $2}'|xargs kill -9       # 关闭所有celery进程