The practice of using cellery in flask

Preface In web development, we often encounter some time-consuming operations, such as sending e-mail / SMS, performing various tasks, etc. at this time, we will take an asynchronous way to perform these tasks, and cellery is such an asynchronous distributed task processing framework, Official documents Today, our topic is how to work with fl ...

Posted on Wed, 04 Mar 2020 05:43:54 -0500 by jacobsdad

Nginx + django + uwsgi + cellery + supervisor deploy multiple django projects

Multiple django projects deployed in Alibaba cloud CentOS 7 I. nginx Two, uwsgi 3, Starting cellery with the supervisor Daemons I. installation Two, configuration 3, Common commands 4, Start automatically I. nginx server { listen 80; server_name Extranet ip address; location / { ...

Posted on Sat, 22 Feb 2020 10:08:19 -0500 by daf_cr

django sends messages asynchronously using cellery

1. Install the cellery module pip install -U celery==4.3.0 2. Create the relevant directory of cellery xiaolan/ # Project home directory ├── mycelery/ ├── config.py # configuration file ├── __init__.py ├── main.py # main program └── sms/ # Multiple tasks can be placed in one directory, which stores the mo ...

Posted on Wed, 08 Jan 2020 09:53:01 -0500 by daq

How to add Gallery configuration when using Gallery

background Some time ago, I used Airflow to archive the data of wms. After running for some time, I often found the following errors: [2020-01-07 14:41:34,465: WARNING/ForkPoolWorker-5] Failed operation _store_result. Retrying 2 more times. Traceback (most recent call last): File "/usr/local/python38/lib/python3.8/site-packages/sqlalch ...

Posted on Tue, 07 Jan 2020 11:05:03 -0500 by LordPsyan

Manage AirFlow methods

@[toc] Manage AirFlow methods Supervisor, a process management tool Install process management tool supervisor to manage the airflow process Easy? Install supervisor? This method is not applicable to Python 3 installation (many problems will occur) echo_supervisord_conf > /etc/supervisord.conf Edit the file supervisor.conf and add t ...

Posted on Sun, 29 Dec 2019 11:12:27 -0500 by Angus

django development - building distributed (multi node) task queue with cellery

Today, I'll show you how to use cellery to build a task queue with two nodes in django project (one master node and one child node; the master node publishes the task, and the child node receives the task and executes it. It's similar to setting up three or more nodes), using cellery, rabbitmq. The knowledge in cellery and rabbitmq will not be ...

Posted on Mon, 02 Dec 2019 19:43:06 -0500 by !jazz

celery scheduled task usage

Process: User submission task - > Celery - > Broker middleman (can be database, redis) - > Finally let worker in celery perform task1 Used alone: celery_worker.py file #-*- coding:utf-8 -*- from celery import Celery import time app = Celery('tasks', #tasks yes app Name broker='redis://12 ...

Posted on Sun, 13 Oct 2019 11:30:26 -0400 by mrphobos

Using Celery to Complete Asynchronous and Timing Tasks

0917 self-summary Use of Celery I. Official Documents Celery official website: http://www.celeryproject.org/ Celery official document in English: http://docs.celeryproject.org/en/latest/index.html Chinese version of Celery official document: http://docs.jinkan.org/docs/celery/ II. Celery Architecture Celery's architecture consists of three part ...

Posted on Tue, 17 Sep 2019 10:32:34 -0400 by sailu_mvn

Realization of Small Program Shopping Cart

Links to the original text: https://www.cnblogs.com/linxin/p/6834206.html Preface In the past, shopping carts were basically implemented through a large number of DOM operations. The Wechat applet is very similar to vue.js. Next, let's ...

Posted on Wed, 11 Sep 2019 01:56:30 -0400 by SteveMT

How to Build a Distributed Crawler: Basic Chapter

Following Part One After discussing the basic knowledge of Celery, this article continues to explain how to build distributed crawlers step by step using Celery. This time, the target of our seizure is designated as celery official document. First, we create a new directory, distributedspider, and then we create a new file, workers.py, which r ...

Posted on Fri, 28 Jun 2019 16:00:24 -0400 by aaronrb