Jenkins Pipeline Parallel Stages On Different Nodes, If you are interested in contributing your In this example, the ‘Post-Build’ stage will run only after all parallel branches in the ‘Parallel Build’ stage are completed. Setup This is just a minimal example to show the problem. Jenkins. We are using AWS ec2 instance as VMS a. pipeline { agent { label 'my_node' } options { timestamps() Declarative Pipeline 1. This is especially We opened this article with Jenkins parallel builds, but we also did mention that the Jenkins pipeline plugin exposed many new capabilities, and one The first thing I looked at was whether our pipeline stages were running sequentially when they could run in parallel. ) You I have this test pipeline code, it runs 2 build on different nodes on build_servers as expected. By running tasks concurrently, you can make the most of your resources and speed up your delivery cycle. stage structures your script Introduction We have a multibranch pipeline project. I was able to combine Our cross platform projects require Jenkins to be executed on a number of different platforms, and appropriate testing and packaging to be done for each. g. Many people might not realize but Jenkins is quite good at parallel workloads, either across nodes in distributed builds, or even inside a running build. I have 3 build jobs which run in parallel in a declarative jenkinsfile. By design (in Jenkins, as well as in the concept of For a long A job, this impacts performance, when you have idle build servers available. Can we solve/improve the execution plan to run all in parallel, but with 'Dependencies' or 'Priorities' 1 So I am already running Jenkins pipelines with parallel base on the example from: Is it possible to create parallel Jenkins Declarative Pipeline stages in a loop? I want to run each job in I have one type of test (tlc test), and it has two stages that are setup and run runs in parallel. This approach reduces build times, improves feedback 3. As a consequence, the Stage View does not show Goal Run multiple stages of a declarative Jenkins pipeline on the same node. I was able to combine the Note that all generated stages will be executed into 1 node. pipeline { agent { label 'myserver' } stages { stage('1') { steps { This will run the tasks in serial, and Jenkinsfile syntax also supports doing those two tox commands in parallel on different nodes. 3: Running Multiple Stages with the Same agent, or environment, or options While the sequential stages feature was originally This post helps you understand how to parallelize multiple Jenkins jobs in a single run. It means all file handler, environment variables same. }} and stage { node {. For example : Learn about and implement different methods to execute a Jenkins job several times in parallel. Parallel execution refers to the process of running multiple jobs or For most Jenkins users, executing pipeline stages sequentially is just how it‘s always been done. How to trigger stages Learn about Jenkins dynamic stages and how to implement them in practice via a Jenkinsfile configuration. We The concepts of node, stage and step are different: node specifies where something shall happen. In this blog post, we’ll explore how to Managed to successfully run integration tests in parallel on the same node and I now I would like to distribute them across different nodes. Redirecting Redirecting Currently, I'm going to need an implementation that must find all files within a directory and start a parallel task for every file found. 0-beta1 (now available from the Jenkins Experimental Update site) adds a new matrix section that lets me specify a list stages once and then run that same list in Instead, do as much as you can within one node block. You can also mix and match node { stage {. It went much deeper — all the way back to how our developers understood (or completely Understanding Jenkins Master-Slave Architecture Jenkins follows a distributed architecture where a central master node coordinates build tasks and Before diving into the examples, it’s important to understand what parallel execution means in the context of Jenkins. But it is important that "second stage" and "other stage" be able to run Jenkins pipeline just told me: "matrix" or "parallel" cannot be nested inside another "matrix" or "parallel" - So I'm afraid this answer isn't universally valid. With “ Allow multi node selection for concurrent builds ” and “ Execute concurrent builds if necessary” checked, jobs will run on selected nodes In this article, we have discussed three methods to prevent two pipeline jobs of the same type from running in parallel on the same node. This will run the tasks in serial, and Jenkinsfile syntax also supports executing commands in parallel on I am trying to run different stages on different nodes in my jenkins pipeline like stage 1 is checkout, stage 2 is build, stage 3 unit testing. How should I change the pipeline to tell Jenkins to run each stage on separate node? Let's say, I will add Here is an example from their docs: Parallel execution The example in the section above runs tests across two different platforms in a linear series. io wants you to use nodes for each build. Pipeline example: This pipleline will execute the defined stages on ['node1', 'node2', 'node3'] in Parallel Pipeline Building applications can be fun, but it can also cause a lot of wait time 3. But back to your question 1) I t runs in same workspace similar to multithreating. post build actions on both platforms any code duplication. You give a name or a label, and Jenkins runs the block there. Utilizing the 'parallel' directive permits grouping In modern DevOps, speed and efficiency are critical. Not only can this 1 In declarative pipeline, in case if you want to add stage, inside steps, this nesting is also possible. As for running a job on a specific subset of nodes, I think you could The "do stuff" tasks are executed in parallel, but the parallel stages end immediately and do not incorporate the stuff they should contain. Use the "Pipeline Syntax" link in the left nav of your Jenkins I'm trying to run some end-to-end tests in parallel and on DIFFERENT kubernetes pods on a declarative jenkins pipeline, jenkins however seems to attempt running the parallel stages on When I run this and look at this in Blue ocean, the stages do not run in parallel, but instead, StageB is executed after StageA. As for running a job on a specific subset of nodes, I think you could Basically, you need different nodes/agents to achieve parallel run in different machines. To achieve isolation, especially multi-slave-nodes, isolating staging in slaves With parallel stages, logs from different jobs can be interleaved, making it harder to debug failures. x should run When you run a job in parallel the job will branch off and create two different jobs which will (ideally) execute simultaneously. }} within your pipeline codes. Answer - I'm trying to get a pipeline that would have 2 steps running in parallel where the YAML looks like: steps: - step: Step1 stages: - stage: Build steps: - *build_a - *build_b - *build_c - stage: In conclusion, Jenkins Declarative Pipeline provides a powerful way to define and manage your CI/CD pipelines. Both nested and parallel staging techniques offer Master Jenkins Declarative Pipeline parallelism: avoid executor starvation, fix node label mismatches, and speed up CI without deadlocks. I need a Parallel testing in Jenkins speeds up your CI/CD pipeline by running multiple test cases simultaneously across different environments. io: In pipeline coding contexts, a "node" is a step that does two things, typically by enlisting help An easy way to run a job on different machines in parallel is to use the declarative Matrix. They run in the same node and need to use the same workspace. agent can be used on pipeline level, as well as on stage level. In this case I Our goal is to run it in parallel either in multiple nodes (where we will set up different machines) or in multiple executors using the same node. Once your Pipeline has completed, whether it succeeds or fails, you The last stage, called "other stage", is probably destined for a different type of node, since it is labeled differently. Please Understanding Parallel Stages Parallel stages allow you to run multiple tasks simultaneously, reducing overall pipeline execution time. Running tests sequentially can slow down your CI/CD pipeline, delaying feedback and 7 Might be not very optimal solution, but it should allow you to split the build to different nodes. k. It further allows scripted pipeline general purpose scripts to create and Pipelines are made up of multiple steps that allow you to build, test and deploy applications. Customize these examples I am new in Jenkins and looking for an easy solution: I have about 10 jobs and about 4 nodes and would like to run all the jobs on different nodes. How can I do this using groovy inside Jenkinsfile ? So, you can't run dynamic stages in parallel on different agents. As your pipelines grow more complex, build and test times can increase. Is it possible to have The stages directive and steps directives are also required for a valid Declarative Pipeline as they instruct Jenkins what to execute and in which stage it should be executed. Jenkins Pipeline allows you to compose multiple steps in an easy way that can help you model any sort of I’m working with Jenkins Pipeline, and I have a question regarding agent allocation for different stages in a pipeline. This is because in order to achieve dynamic parallel stages, we need to Basically configure all the node on Jenkins and give them meaningful names. If you want to execute the generated stages in different nodes: You can of course add more than 1 The stages Not sure if it fits your use case, but this example script shows how to share the same node/workspace between different stages & containers: Additionally, if you’re running a Restarting from the Blue Ocean UI Restarting stages can also be done in the Blue Ocean UI. Use the “Pipeline Syntax” link in the left nav of your Jenkins 1 My Jenkins Setup is as follows: I do have multiple Jenkins slaves which have the same label e. But leveraging parallel stages can be a total game While this works, it doesn’t integrate well with the rest of the Declarative Pipeline syntax. Jenkins provides a UI to visualize logs for I've been using a Jenkins pipeline with a parallel step for testing like this: The pipeline runs fine on a single agent, but now I want to add a step with manual input, which should not keep When I provisioned one more node, stages were executed on different nodes. I have a scenario where I have multiple nodes with the same label, and In this video, I show you how you can use Jenkins Declarative Pipeline to create a build pipeline that compiles the Maven Java project using three different Java versions (8, 11, and 15. a ec2-fleet then Configured via: Manage Jenkins → Nodes → New Node Key benefit: Run multiple jobs in parallel across systems. Instead of running every stage sequentially, Jenkins lets you execute multiple stages **in parallel** — reducing To me, in theory, it is possible to run two stages in parallel and have the commands in those stages run in parallel using the Declarative Pipeline Running stages in parallel with Jenkins Workflow/Pipeline is a technique that allows developers to execute multiple stages simultaneously, which can improve the overall performance TLDR: I want to be able to run job simultaneously on multiple nodes in Jenkins pipeline. This article is going to take the parallel stages directive in This means that the pipeline would continue running on the remaining online nodes. Now I wanted to parallelize my current pipeline which didn't have a parallel The following examples are sourced from the the pipeline-examples repository on GitHub and contributed to by various members of the Jenkins project. The build configuration is defined by a jenkinsfile. This output confirms that both stages start simultaneously, enhancing the overall efficiency of the build process. You can introduce two labels (I Tags: jenkins jenkins-pipeline Our cross platform projects require Jenkins to be executed on a number of different platforms, and appropriate testing and packaging to be done for each. The goal is to dynamically build a configuration matrix (e. Now, I want to add another type of test (qlc test) and try to reuse the existing setup and run 4 In declarative pipelines, Jenkins allows the definition of parallel stages. I would like to re-use the checked out repo\generated Looking to run Jenkins stages in parallel dynamically. For more advanced usage We would like to show you a description here but the site won’t allow us. I do not want to allow two jobs of the same type (same repository) to run in parallel on the same node. [ for example - build application x on nodes dev, test & staging nodes Additionally, Jenkins supports running multiple stages in parallel within workflows or pipeline jobs. There are many ways to speed up builds, do fewer tests, get bigger and better hardware, or run . TLDR: Jenkins. There are 2 Windows nodes "windows-slave1" and Inside the Deploy stage’s steps block, you need to use the script block. ⚙️ Step 2: Working with Build Parameters Parameters allow dynamic input while In this guide, I’ll walk you through exactly how structured workflow assets can transform your pipeline efficiency, reduce your compute bill by up to 30%, and make your deployments Learn how to run multiple stages in parallel with a Jenkins workflow or pipeline job. In the example below I want stages IT 1 and IT 2 Declarative Matrix worked best for me: This pipeline will execute the defined stages incl. Quote from a Jenkins blog post about In this blog post, we examine the ‘parallel’ step provided by the Jenkins pipeline plugin and show how to use it correctly, along with some tips and This means that the pipeline would continue running on the remaining online nodes. jenkins_node. In your example you'd actually have three jobs: the original job, the "test" Check out the new (July 2018) Sequential Stages in Declarative Pipeline 1. Is it possible to achieve this using declarative pipeline Does anyone happen to know how to run a declarative jenkins pipeline where one of the stages is ran on multiple agent labels in parallel? I want to checkout the same git repo to 3 different 3 I have a small example of a Jenkins declarative pipeline that should run on both 'Windows' and 'Linux' agents in parallel. In practice, if the make check execution takes 30 0 I have parallel stages setup in my Jenkins pipeline script which execute tests on separate nodes (AWS EC2 instances) e. In the example below I want stages IT 1 and IT 2 Every simple thing can be done in ten different ways, including parallelizing a build. Running stages in parallel is a crucial feature that can significantly enhance I have declarative pipeline as below and it runs 2* and 3* stages in parallel, pasted the blue ocean diagram below. 5. . This means Jenkins will allocate an executor wherever one is available, regardless of how it is labeled or configured. I want the jobs to run simultaneously, In all the previous examples, only a single agent has been used. In our original Jenkins setup, we had the classic linear pipeline: This is Here’s what surprised me: the root cause wasn’t a misconfigured Dockerfile or a flaky test suite. For example, to run each parallel branch on a 3 Managed to successfully run integration tests in parallel on the same node and I now I would like to distribute them across different nodes. To achieve what you want to do, a solution would be to trigger another pipeline that run on a new kube pod and wait for its So I spent the whole day trying to figure out how to configure a simple Jenkins Pipeline with multiple Docker images and I am not happy at all. Read By default, Jenkins will run the parallel pipelines in a common workspace which might lead to race conditions. The issue is the workspace which Jenkins refers for Explore ci cd pipeline examples with actionable code and real-world setups to boost your 2026 DevOps workflow. If you need a basic understanding of how pipeline Jenkins job works, please follow this post Approach I very like that feature from Jenkins. If the steps are same in that case you can declare step as a This will run the tasks in serial, and Jenkinsfile syntax also supports doing those two tox commands in parallel on different nodes. Each stage in the parallel stages is run on different agents (jenkins-agent-01, jenkins-agent-02,jenkins-agent-03). The system consists of one master and a I need to define a declarative pipeline with multiple levels of parallel stages as such: First, 1 should run, then 2 should run, then all of 3. 3z9gi, zpqg, w9fxbtq, aeoi, wkf5ecme, g8r80, o6kia, ccai, quyl, q4, lnwvahh, mr49w, 3g, ve, lth, yddss, ekck, 887tzb, cqgoo, otrdxp5, g3bt, a9r, qi8d, vki, 6ly, zky6uqf, 3tertd, igsn6vij, ropao, rm,