02.celery配置与基本使用

### 1.1 安装celery

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

### 1.2 新建`celery/main.py`配置celery

```python
# 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

### 2.1 启动celery

```python
'''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
```

原文地址:https://www.cnblogs.com/ngngng/p/13779032.html