Exploring the World of Background Processes in Meteor

Is there a way to incorporate background tasks, possibly using a workers pool? I'm interested in exploring this concept further and potentially developing a package for it. Can you point me in the right direction?

Answer №1

Latest Update for 2019

Prior to developing a package for any purpose, it is essential to explore existing packages that may meet your requirements. In the realm of Meteor, this involves searching Atmosphere for packages related to "job/queue/task/worker management/scheduling" as well as exploring npm with similar search terms. Additionally, it's crucial to clearly define your specific needs:

  • Are you in need of persistence, or would an in-memory solution suffice?
  • Do you require the capability to allocate jobs across different machines?

Meteor-specific Recommendations

  • job-collection - a reliable option used in production since 2014, currently under maintenance. It enables scheduling persistent jobs to run on various environments (servers, clients).
  • SteveJobs - actively maintained by Max Savin, creator of several powerful Meteor tools.
  • littledata:synced-cron - A straightforward cron system designed for Meteor supporting job synchronization across multiple processes.

Obsolete Packages:

  • artwells:queue - features priorities, scheduling, logging, and re-queuing with MongoDB support, last code commit in October 2015.
  • Basic cron packages like easycron received their last update in December 2015.
  • differential:workers - Enables spawning headless worker meteor processes for asynchronous tasks, last code commit in January 2015.
  • cron initiated since 2015
  • PowerQueue - abandoned since 2014, offers async task queuing but lacks scheduling capabilities among other shortcomings.

Npm Package Options

Meteor now supports direct usage of npm packages, prompting the need to locate suitable job/worker/queue management packages on NPM. If persistence isn't a priority:

  • Async furnishes approximately 70 functions including common asynchronous control flow patterns.
  • d3-queue - a minimalist solution created by D3 author Mike Bostock.

If persistence is essential and you're inclined towards using MongoDB due to its integration with Meteor, one recommendation is Agenda, touted as robust although lacking recent updates and grappling with numerous issues.

Alternatively, introducing a redis dependency can expand your options:

  • bull - a comprehensive job queue backed by Redis
  • bee - a simple, fast, and reliable queue implementation without memory leak concerns displayed by some competitors
  • Kue - a priority job queue tailored for Node.js

Redis, akin to MongoDB, offers high availability through Redis Sentinel. For distributing jobs among multiple workers, directing them to a centralized Redis server is a viable approach.

Answer №2

If you're looking to schedule tasks at specific intervals or dates, there's a handy package that utilizes Cron jobs for easy task scheduling. You can find the package here.

Upon inspecting the source code of this package, you'll see that they make use of:

Meteor.setInterval( ... , delay );

To implement this in your project, consider saving your tasks in a database and loading them into intervals during startup to streamline the process.

Answer №3

If you are searching for a specialized tool for Meteor, I'm excited to introduce you to the latest package named Steve Jobs. This package simplifies running background jobs by easily calling a Method.

It comes equipped with all the essential features one would anticipate, including the ability to run a job only once, retry failed jobs, and more. For further details, visit its GitHub page:

http://github.com/msavin/stevejobs

Answer №4

While official support may be in the works, I've found a workaround by using setInterval to make it function temporarily. Check out the cron-tick package for more information.

Similar questions

If you have not found the answer to your question or you are interested in this topic, then look at other similar questions below or use the search

Issue encountered during rendering: The function used is not a filter

Everything works fine with the search filter and pagination on the initial load. However, upon clicking to go to the next page, an error occurs stating **'Error in render: "TypeError: this.tickets.filter is not a function"'**. This issue can b ...

Dealing with the validation of two forms on a single webpage: Strategies and Solutions

In a popup, there are two forms that alternate display - one for editing (loaded via ajax) and one for creation. Using jQuery validation, I aim to show hints for both editing and field submission. The validation includes ensuring time spans do not overla ...

Can you explain the significance of foo === +bar?

Currently, I am diving into the world of express and came across a coding challenge that involves downloading a zip file and performing certain tasks. While going through the code, there is a specific line that is causing confusion: const recipe = recipes ...

Having trouble getting the onClick event to trigger in ReactJS buttons

The buttons are not functioning as expected, allowing for the addition of positive, neutral, or negative feedback. Interestingly, when I added a default button using different syntax to add negative feedback, it worked. This suggests that there may be an ...

Exploring Angular's ngFor feature in building a dynamic accordion menu that automatically closes one panel and opens another when clicked

The Angular Material accordion component is a key feature in my Angular project. Utilizing an ngFor loop to iterate through the information stored in menuItems, I dynamically create a new expansion panel for each item. With two components in play, I seaml ...

Enable/disable specific dates in datepicker depending on dropdown selection

Struggling with disabling specific days of the week in the jQuery datepicker based on a selected dropdown option. Provided below is the snippet of my HTML and JavaScript code: <script> $("#dates").datepicker({ minDate: 0 }); </sc ...

Understanding the functionality of a notification system

Planning to create an admin tasking system utilizing PHP, MySQL, and JavaScript. Curious about how the notification system operates and how it stores real-time data. Are there any good examples of a notification system? ...

Retrieve TypeScript object after successful login with Firebase

I'm struggling with the code snippet below: login = (email: string, senha: string): { nome: string, genero: string, foto: string;} => { this.fireAuth.signInWithEmailAndPassword(email, senha).then(res => { firebase.database().ref(&ap ...

Adjusting the size of a Vue component on the fly

I'm struggling to find a way to dynamically adjust the width of a component. The component I am working with is called 'vue-burger-menu' -> https://github.com/mbj36/vue-burger-menu. To set the width, you need to assign a number to the p ...

Executing a jQuery script on various elements of identical types containing different content (sizes)

I am currently working on a jQuery script that will center my images based on the text block next to them. Since I am using foundation 5, I have to use a jQuery script to override the CSS instead of using vertical-align: middle. The script looks like thi ...

Steps for installing the most up-to-date version of an npm package

Is there a reliable way to install the most up-to-date version of an npm package? It seems like using '@latest' doesn't always bring in the latest version, probably just the latest stable release. I've resorted to a workaround because ...

There may be instances where data is null in Java Spring and React JS

My goal is to store all data using react.js and Java Spring. I have sent data via REST, but one of the data classes is coming up as null in the MongoDB collections. I have checked to ensure that all data types are the same but I am unable to identify and r ...

What techniques can be used to optimize the SEO of HTML generated by JavaScript? How does React.js go about achieving this

Is my webpage optimized for SEO if it was created using appendChild and innerHTML with JavaScript? Can react.js improve the SEO of a webpage? ...

Synchronizing the DOM with the Database in a React Component/View: A Step-by-Step

I recently developed a list component in React, but I'm facing two significant challenges. Although the item gets removed from the database, the change is only visible after refreshing the page. You might have noticed that the list number or ID colu ...

What is the best way to assign a background color to each tr element using JavaScript?

I have a list of table rows with different background colors like <tr bgcolor="#OC6110"> <tr bgcolor="#000000"> <tr bgcolor="#FFFFFF"> Is there a way to assign unique background colors to each tr element without specifying its id value ...

Exploring the concepts of closure and scope

It seems that the function inResult always returns false and the loop is not being executed, probably due to a lack of understanding of closures. However, I can confirm that the result variable contains the correct properties. function hasId() {return ...

Transforming Angularjs into Vuejs

I am currently transitioning a chat application from AngularJS to VueJS, but I am facing some challenges as I am not very familiar with AngularJS. Unfortunately, there is a lack of comprehensive resources available for me to gain a better understanding of ...

Creating 3D Shapes with three.js

I am currently in the process of importing an STL object into my three.js scene. Unfortunately, this particular object seems to be using a large amount of GPU resources for rendering and animation, causing the overall performance of the scene to suffer. B ...

Clear SELECT After Submission

I have a jQuery script and need a function to reset the SELECT input after it has been submitted. <script> $(document).ready(function() { //elements var progressbox = $("#progressbox"); var progressbar = $("#progressbar"); var statustxt = ...

Creating a one-of-a-kind entry by adding a number in JavaScript

I am looking for a way to automatically add an incrementing number to filenames in my database if the filename already exists. For example, if I try to add a file with the name DOC and it is already present as DOC-1, then the new filename should be DOC-2. ...