Hangfire more workers. Using dynamic queues seems unnecessary.

Hangfire more workers Net 8. Redis. Jun 23, 2025 · Learn how to integrate Hangfire with . Dec 16, 2014 · Is best practice just to start the maximum number of workers (using concurrency control) appropriate for the given machine and let them get used by Hangfire as needed? May 29, 2023 · If you have everything going to the same queue, Hangfire can already manage that. Pro. If I have one server with three queues and 20 workers, how are those 20 workers divided up if there were a hundred jobs ready to run in each of the three queues? I’ve seen some people mention queue priority being alphabetical or something of that sort but it isn’t clear how Hangfire Server consists of different components that are doing different work: workers listen to queue and process jobs, recurring scheduler enqueues recurring jobs, schedule poller enqueues delayed jobs, expire manager removes obsolete jobs and keeps the storage as clean as possible, etc. May 4, 2018 · Hi. It creates background jobs and stores them in reliable storage options like SQL Server, Redis, MySQL, and others. I am at a loss as to why this is happening, has anyone encountered Overview Hangfire is an open-source framework that helps you to create, process and manage your background jobs, i. Quartz. Throttling is performed asynchronously by Dec 17, 2024 · Learn how to use Hangfire for background jobs in . NET: Efficient Background Job Management Discover the power of Hangfire for managing background jobs in your . I could have multiple servers running one queue/one Hangfire best practices are generally to split work up into smaller pieces and avoid long running jobs as must as possible. This documentation is devoted to Hangfire, please, read the official ASP. InMemory package as a job storage. Hangfire by default will prevent duplicate jobs running. Hangfire will pull a job ensuring no other running instance will also get that job. NET 8 for Background Jobs What is Hangfire? Hangfire is a library that makes it easier the execution of background jobs within . net, in particular, requires maintaining a set of database tables for it to function properly and the programming model isn't as simple to integrate with as with most HTTP/HTTPS based queues. You can sign in there using your existing Google or GitHub account, so it's very simple to start using it. Feb 3, 2025 · Hangfire can handle your calls and act, so you don’t have to worry about the work. I have many different types of jobs, some of which run for longer than 30 min without any problems. When you start the background job server, it initializes the pool and starts the fixed amount of workers. UseSqlServerStorage(“connectionString”)); services. a job) is serialized during the background job Mar 16, 2022 · I am using Hangfire to schedule jobs in my worker service and want to use the hangfire dashboard. Background jobs are processed by a dedicated pool of worker threads that run inside Hangfire Server subsystem. Obviously hangfire and quartz. StackExchange I have some long-running, resource-intensive tasks. NET Core, . This beginner-friendly guide covers setup, usage, and dashboard configuration. However, imagine this scenario: Config: Invisibility timeout set to 90 mins, as tasks can take up to 90 minutes. NET and C#, and the future it holds. AddHangfire(config => config. Hangfire server running in console Feb 8, 2024 · Hangfire Server: The Hangfire Server continually checks the persistent storage for enqueued jobs. NET applications! This comprehensive tutorial covers everything May 15, 2020 · I am having a problem that some jobs on hangfire are been queued more than one time with the same parameters, the jobs are almost queued at the same time. NET and . An easy way to perform background processing in . Apr 30, 2019 · When using new worker service public static IHostBuilder CreateHostBuilder(string args) => Host. I’m just struggling with how to get the blocking queue into Hangfire so that the workers (which i add by doing BackgroundJob. Worker Services What Are Background Jobs and Why Use Them? Not everything in our applications needs to be immediate. Whether you're working with ASP. Any method can throw different types of exceptions. Azure Functions vs. Hangfire. For the first few submissions, it maintains 1 job per queue (monitoring with Dashboard). Hangfire workflow Jul 24, 2023 · Update Hang-Fire default worker count from 20 to a custom number in ABP Framework Asked 2 years, 3 months ago Modified 2 years, 3 months ago Viewed 794 times Hangfire. Oct 24, 2024 · Hi, Community! We have a bunch of . Worker Threads: Enqueued jobs are handled by a dedicated pool of worker threads. NET Core with Hangfire in this complete guide. NET 8 to run background jobs, schedule tasks, and manage queues with ease. NET 7 💥 - ASP Mastering Hangfire in . There is a recurring job per minute as below:- RecurringJob. With Hangfire, you can offload work from the main application thread, ensuring that your application remains responsive. This causes a problem, since the jobs are compute intensive Oct 14, 2020 · Scaling Hangfire can be done in two ways in order to process more jobs concurrently. Mar 10, 2025 · Implementing Background Jobs in . Net Core linux servers, each running 40 HangFire workers with MongoDB as a storage. Hangfire does provide the functionality to use advanced scheduling for Mar 22, 2024 · Hello, What would be the best way to have one worker per queue ? Context : I have only one Jobs Server I use Hangfire Core Storage is PostgreSQL I only have reccuring jobs I don’t want a worker which becomes idle start working on a queue already handled by another worker (I don’t want a job being ran by multiple worker at the same time). Features Queue-based Processing Instead of invoking a method synchronously, place it on a persistent queue, and Hangfire worker thread will take it and perform within its own execution context: BackgroundJob. Enqueue (expression)' to 'fire and forget' the jobs. NET ecosystem, Worker Services, Background Services, Quartz. Throttling is performed asynchronously by Sep 12, 2017 · I have the same problem. Oct 8, 2019 · In a simple scenario with 2 jobs registered to run every 20 seconds (*/20 * * * * *) and just 2 workers, the first worker which is started processes both of the jobs. 0. Distributed Background method calls and their arguments are serialized and may overcome the process boundaries. It would be difficult to speak to your exact timing though. I need to ensure that for a given job, there are never more than one running. 0 to . Each See full list on github. It’s just a matter of finding the number of workers to max out the CPU. Dec 22, 2023 · Hangfire is an open-source library for . It seems that after migration from . I explained the problem in more detail here. Redis or Hangfire. We throw these onto hangfire, and all works well for the most part. However when I start Hangfire servers in separate processes it works great, CPU is Background job is a unit of work that should be performed outside of the current execution context, e. Sep 5, 2024 · Hangfire is an open-source library that enables developers to schedule and manage background jobs in . NET or C# applications? Thankfully, there’s Hangfire to simplify this convoluted process and make our lives a whole lot easier. While the jobs with short duration work ok, the job with longer duration, say 1 hour or more, start again at every 30 mins. May 13, 2015 · Hi Is it possibe to change the WorkerCount of a queue at runtime ? does it have any side effect if I change the WorkerCount in HangFire. The usage is simple, just include Hangfire namespace in your application initialization class and discover Nov 12, 2025 · Hangfire. Documentation Background Processing Dealing with Exceptions View page source Dealing with Exceptions Bad things happen. May 21, 2024 · Outside of Hangfire I’ve created a blocking queue that accepts simple entity classes and the queue is serviced by several workers that take from the queue, procees the entity class , and go back to waiting for more data. Limited storage support Please note, Hangfire. Net Core application with Hangfire implementation. In my particular situation, I am trying to accomplish having 2 queues, 1 running serial (1 worker) and 1 with standard number of Distributed Background method calls and their arguments are serialized and may overcome the process boundaries. Jul 17, 2025 · I’m using: Hangfire. NET ecosystem, Hangfire eliminates the need to create a separate Windows Service or Cron job scheduler. Sep 5, 2019 · . This is an entry point for a couple of methods, including ones from third-party storage implementations or other extensions. I see people in the community are suggesting to use queues, and assign specific jobs to specific queues and specific workers to process specific queues. This guide will help you keep background processing running smoothly and efficiently. AspNetCore Hangfire. Server table ? or when a server starts it sets the worker for entire life of the server ? May 4, 2020 · Can anyone explain in better detail how queues work? The documentation is pretty light on the inner-workings of it. The first time happened while 2 job was running… other jobs started piling up and assuming there were problems with the workers Oct 29, 2019 · When I have Hangfire server with more workers than machine cores then UI rendering is very slow like the 20s vs 200ms, also I can't saturate all the CPU. Hangfire natively supports single-level priority queues, e. Enqueued jobs are handled by a dedicated pool of worker threads. I'm using 'BackgroundJob. . If I set the server worker count to 2, then the job starts 2 times, if I set it to 30 then the job starts 3 times. Simplify task scheduling, job management, and monitoring with this powerful framework. 6. These exceptions can be caused either by programming errors that require you to re-deploy the application, or transient errors, that can be fixed without additional deployment. code-block:: c# Oct 12, 2023 · Hi, i’m trying to setup Hangfire in a . Oct 14, 2024 · In this article, we will discuss how we can prevent the concurrent execution of a Hangfire job with different examples. cs is the right place ? Anyone have any experience with this? We hav… Documentation Getting Started ASP. This cookbook-style guide combines fundamental, advanced, and integration recipes for mastering Hangfire in real-world . Hangfire 1. NET Core application. PostgreSql 1. The queue seems to be empty so what does the first number mean? Learn how to use Hangfire as a background worker and task scheduler to enhance the performance of your applications. 2 web app. What can I do? Nov 4, 2023 · When Hangfire retrieves the next job it will favour the alpha queue over beta, beta over default. So you can control how many particular background jobs are running at the same point of time or within a specific time window. It enables you to create, manage, and monitor jobs efficiently, whether they are one-time tasks or recurring jobs. com An easy way to perform background processing in . Therefore, I need to: Dynamically adjust the WorkerCount based on system load. I need decide between TPL (Task parallel library) or Hangfire to perform background jobs and as per MSDN, TPL provide two primary benefits: More efficient and more scalable use of system resources More programmatic control than is possible with a thread or work item. 20, SQLite storage. e. I’ve tried this attributes on the shared IScheduledJob1 interface as well as on the actual ScheduledJob1 implementation, but neither seem to work. All of a sudden the jobs stopped running they are piling up in the q but looks like not any of the workers handling the jobs. We have potentially long-running tasks, say 30min-1. Stop or pause certain jobs in emergency situations. 3. Dec 28, 2024 · In the . But if I keep adding jobs, it begins processing 2, 3, 4, and so forth jobs per queue. So what I did is increase WorkerCount nad launching as much job as possible. You can integrate Hangfire with the ABP to use it instead of the default background worker manager. When using Hangfire. But beaware of side-effects to downstream services. We can not guarantee that batches will work properly with other storages, since processing guarantees heavily depend on a concrete storage implementation. It's not possible to access /hangfire dashob Distributed Background method calls and their arguments are serialized and may overcome the process boundaries. Enqueue Mar 26, 2018 · I’m presently doing performance test and see what is the breakpoint of my rest service that use hangfire. You can specify their number by passing the value to the UseHangfireServer I have a . All the documentation uses the Startup class b You can create any kind of background jobs using Hangfire: fire-and-forget (to offload the method invocation), delayed (to perform the call after some time) and recurring (to perform methods hourly, daily and so on). Jul 2, 2023 · Do you often find yourself grappling with managing background tasks and scheduled jobs in your . Net 7. I've tried to limit the numbers of worker. net core worker service. AddOrUpdate<IS2SScheduledJobs>(x => x. Tags. May 8, 2017 · My understanding is that it can only limit the total number of workrs for a given background job server. NET Core Documentation to learn the details on how to create and initialize a new web application: Getting Started and Tutorials Dec 23, 2024 · Recently, I faced a challenge when trying to create multi-level priority queues. View page source Configuring the Degree of Parallelism Background jobs are processed by a dedicated pool of worker threads that run inside Hangfire Server subsystem. There is not more than 30 parallel jobs processed at a time and still each server consumes 50% CPU and usage get exponentially higher when we try to Distributed Background method calls and their arguments are serialized and may overcome the process boundaries. Jul 30, 2014 · I have the second part does, the document signing, and Hang Fire has the worker roles set to 10, but if i wanted to create a second and third queue, each with different worker counts, do i need to create new servers? This will be running as a Windows Service, by the way. In this video we will be going to learning about How to implement Background Services with Hangfire Support me on Patreon to access the source code: / mohamadlawand Base App: • . Hangfire. In this article, we look at Hangfire which we have used in . ConfigureServices(services => { services. So we can control how many particular background jobs are running at the same point of time or within a specific time window. You can specify their number by passing the value to the ``UseHangfireServer`` method. net core 2. NET application. Throttling package contains advanced types and methods to apply concurrency and rate limits directly to our background jobs without touching any logic related to queues, workers, servers or using additional services. You can create any kind of background jobs using Hangfire: fire-and-forget (to offload the method invocation), delayed (to perform the call after some time) and recurring (to perform methods hourly, daily and so on). 0 servers started to consume lot more CPU while workers doing nothing. The major advantage is that you can use the same server farm to manage your Background Jobs and Workers, as well as leverage the advanced scheduling that is available from Hangfire for Recurring Jobs Sep 18, 2021 · For my dotnet 5 API I am using Hangfire to execute long running tasks. If there is a job in alpha it will take that one even if there are older jobs in beta. NET applications. Sep 30, 2014 · Requirement: I am trying to limit the number of jobs that can be processed in a queue, to one job concurrently. MinuteInterval(1)); var hangfireOptions = new BackgroundJobServerOptions { WorkerCount = 20, }; _server = new BackgroundJobServer(hangfireOptions); The ProcessInput () internally checks the BlockingCollection () of Mar 16, 2025 · Hangfire is one of the most powerful background job processing libraries in the . Pro package is officially supported only when using Hangfire. By default, it uses SQL Server, but any other supported option is also easy to configure. UseHangfireServer(new BackgroundJobServerOptions { WorkerCount = 1 }); Why do I still get 2 servers , with one of them having 10 “workers”? I have configured what I gather from the documentation to only have a single worker. If you’re wanting to keep everything in one app, go with hangfire. Hangfire guarantees that the specified method Sep 11, 2019 · It means that there are two Hangfire servers running, one has 1 worker count and the other has 10 worker counts. If you're using Hangfire at scale An easy way to perform background processing in . Is there an official way to achieve this with Hangfire? Documentation Best Practices View page source Best Practices Background job processing can differ a lot from a regular method invocation. With its seamless integration into the . ProcessInput(), Cron. Hangfire does not require you to create special classes. You can use Hangfire on different machines to get more processing power with no configuration – synchronization is performed automatically. Documentation Configuration View page source Configuration Starting from version 1. , {“alpha”, “beta”, “default”}—workers will fetch jobs from the alpha queue first, beta second, and then from the default queue. The package is distributed as a part of the new Hangfire. These jobs are not expected to run multiple times. But it seems that there is no way to configure this. Json is referenced using PrivateAssets="All" #2558 May 11, 2023 · Version: Hangfire 1. So I configured my startup options with this app. Hangfire creates a couple of designated tables in the database to manage this information. NET 6 to schedule background jobs. Redis package, array index is important and queues with a lower index will be processed first. Jan 8, 2022 · } Questions? Problems? Open-source projects develop more smoothly when discussions are public. Two questions: As you can see in the screenshot it looks as though a job is being processed by multiple workers. The information given here is based off of this blog post. NET ecosystem. Sep 11, 2015 · One of my jobs is showing odd behaviour, the job beings processing properly on a worker, then 30 min later another worker picks up the job, this keeps happening every 30 min until all my workers are processing the same job. Storage: Hangfire provides a database to store all the information related to background jobs, including their definitions, execution status, and more. Make job arguments small and simple Method invocation (i. I’m trying to move this to Hangfire. Hangfire handles all exceptions occurred both Features Queue-based Processing Instead of invoking a method synchronously, place it on a persistent queue, and Hangfire worker thread will take it and perform within its own execution context: BackgroundJob. 7. 1 with Hangfire. 4, GlobalConfiguration class is the preferred way to configure Hangfire. Autofac FaceIT. net10 the hangfire stopped working. 31 SQL Server I have hangfire with 3 servers: |Name| Workers| Queues| Started| Heartbeat| | server1:6980|1|server1, default|7 minutes ago|a few Another Hangfire component, called Hangfire Server, checks the persistent storage for enqueued background jobs and performs them in a reliable way. NET Core applications. AddHangfireServer(); services. WorkerCount Oct 3, 2023 · I am using Hangfire with Postgres SQL and dotnet core 7. Thus, if you want to limit by queue as well, you would have to run a new worker service for each queue, then set the BackgroudJobServerOptions. Jan 22, 2025 · But hangfire doesn’t seem to recognise this, so the default settings are applied. 5 hours. I see a lot of Hangfire's workers are free to receive new tasks, and only 3 of them are busy by doing something on a thread pool (so they are probably async methods). Enqueue(() => Console. in background thread, other process, or even on different server – all is possible with Hangfire, even with no additional configuration. Is there a possibility to limit number of workers for a particular queue without creating an additional server that processes that queue and has WorkerCount property set to 1? May 16, 2022 · I am not sure, but I think hangfire may be processing the job twice, what does it mean when in the details of the job run it says processing twice with different workers? May 8, 2015 · Hi, I would like to know the Usage of CPU cores in Hangfire. To do this, I created a queue with 1 worker. You don’t have to do anything. Aug 14, 2024 · Using Hangfire in . CreateDefaultBuilder(args) . g. Task Scheduler in C#: A Deep Dive: Explore the intricacies of task scheduling 4 days ago · Is there an existing issue for this? I have searched the existing issues Description Hi, after upgrading abp app to . NET Core Applications Before we start with our tutorial, we need to have a working ASP. NET Framework, or integrating with Azure Services, Hangfire simplifies job scheduling, execution, and monitoring. AspNetCore doesn't work with . It performs the jobs in a reliable way, ensuring they are executed even if the process is terminated during execution. Oct 11, 2024 · Discover how to manage background jobs efficiently in . NET that enables developers to create, process, and manage background jobs in a . Feb 12, 2020 · The user experience sucks for the user making the browser request (they’re sitting there waiting) You run the risk of the request timing out or IIS app pool restart which will result in incomplete work In the BH times (before Hangfire), the systems architecture for this problem would be much more complicated. The following process is invoked by each worker: Fetch next job and hide it from other workers. Hangfire Background Worker Manager Hangfire is an advanced background jobs and worker manager. Also, on a related note, is it possible to “queue jump”? You can create any kind of background jobs using Hangfire: fire-and-forget (to offload the method invocation), delayed (to perform the call after some time) and recurring (to perform methods hourly, daily and so on). AddHostedService(); }); How do I pass in BackgroundJobServerOptions? How can I queue all my recurring jobs in this May 18, 2015 · Hi - Firstly, as everyone keeps saying, Hangfire is awesome! I’m just running into an issue configuring my set-up. not in the IIS. Getting Started with Hangfire May 24, 2021 · How to config Hangfire to have multiple queues How to config worker count How to scale Hangfire worker service I'm going to implement a sample project that contains a producer service that produces and exposes messages via web API and a consumer service which every second fetch messages from the producer service and enqueue messages into Hangfire. NET. In the forthcoming sections, we will deep dive into the workings of Hangfire, its implementation in . Background jobs are based on regular static or instance methods invocation. It is working, but i am wondering about where to register jobs, not sure if program. Queues should generally be used to allow priority of jobs over other jobs or to be able to have multiple instances running against the same jobs table Distributed Background method calls and their arguments are serialized and may overcome the process boundaries. operations you don't want to put in your request processing pipeline: Sep 28, 2021 · There is already an implementation built to use Hangfire for Background Jobs, but if you want to use more advanced scheduling for Background Workers than every x number of million seconds then the current option is Quartz. NET, and Hangfire offer different approaches to managing background tasks. All workers process the same job. WriteLine("Hello, world!")); This method creates a job in the storage and immediately returns control to the caller. net also work, but they are more complex for what they give you. Jan 26, 2016 · Hi, I’m using Hangfire 1. Only one instance of worker from one server will pick a job. SqlServer, Hangfire. No Windows Service or separate process required. Net 10 when Newtonsoft. If you have any questions, problems related to Hangfire usage or if you want to discuss new features, please visit the discussion forum. NET: Hangfire vs. A service bus benefits more as a scalable transport for publish/subscribe across multiple applications than as scheduling system. It will have more reliability issues though May 31, 2024 · Thanks for the details. Using dynamic queues seems unnecessary. If you kick off a job that determines you need to process 1000 payments, you wouldn't loop over them processing them one at a time in serial, you'd make a job to process a single payment and stick 1000 instances of that job in the queue. there are 2 window 10 servers running the code as exe files. Ace feature set that’s available for Business and Enterprise subscribers, including existing ones. . NET Core Applications View page source ASP. Hoping you understand the things related Hangfire. The example above shows a generic approach, where workers will fetch jobs from the alpha queue first, beta second, and then from the default queue, regardless of an implementation. Jul 31, 2019 · All of these limiters work without forcing workers to wait until a throttling condition is satisfied, by delaying or deleting a job, so all the workers are free to process other jobs. Worker Class Represents a background process responsible for processing fire-and-forget jobs. What's strange is that CPU Utilization by ThreadPool: 98%, do you see high CPU usage during these problems? Unfortunately it's really difficult to get information about queued tasks in the Thread Pool Jun 5, 2018 · I have the same issue in Hangfire 1. Learn to set up recurring tasks, manage job lifecycles, and optimize performance, all while May 24, 2021 · How to config Hangfire to have multiple queues How to config worker count How to scale Hangfire worker service I'm going to implement a sample project that contains a producer service that produces and exposes messages via web API and a consumer service which every second fetch messages from the producer service and enqueue messages into Hangfire. Hangfire guarantees that the specified method Oct 4, 2024 · What is Hangfire? Hangfire is an open-source library that allows you to perform background processing in . I noticed that WorkerCount does not relate to the maximum number of processing job because in one test I had a worker count of 40 and launcher 300 jobs and I expected to had 40 processing jobs and 260 queued but Sep 19, 2019 · The above code solved my purpose and it added two servers with different queues and every queue has one worker count, So that every job can run in it's own queue and cause every queue (server) has only one worker count, the same job will never run twice at same time. 5. How is that possible? Also, I see two numbers next to Enqueued. tgqix twxp qjruu oqxddos gnkni yznbfm nywels qyqus djhzg cbrdsuhs ryldn qxygm dmx bxes yshthr