Jupyterhub timeout. Can you help me to know a bit more about the RuntimeError: Kernel didn't respond in 60 seconds and what can be done to extend this timeout period ? 2. The proxy is whatever JupyterHub provides. A required field is missing. Contribute to jupyterhub/jupyterhub-idle-culler development by creating an account on GitHub. 04. However a day or so, I will no longer be able to login. The authentication to Linux machine is through Active Directory. 873 JupyterHub reflector:357] pods watcher timeout [D 2023-11-15 08:04:14. You will be redirected automatically when it’s ready for you. Spawner(**kwargs: Any) # Base class I can login using user vishal but getting timeout error as shown below. not able to login to the jupyterhub as admin. To launch it: kind create cluster RELEASE=jhub NAMESPACE=jhub kubectl create namespace ${NAMESPACE} helm JupyterHub kernel connection returns HTTP504 GATEWAY_TIMEOUT Asked 6 years, 2 months ago Modified 6 years, 2 months ago Viewed 3k times Platform: google cloud Jupyterhub helm chart: v0. py Line 785 in 38ba275 await We have made some extensions based on jupyterhub and customized the spawner based on our internal container service. TimeoutError internally and returns a failure. I have tried After testing for about one hour, I concluded that the inactive session timeout was either not configured or longer than 1 hour. spawner # Contains base Spawner class & default implementation Spawner # class jupyterhub. JupyterHub. The main problem is users not closing their sessions and each user having multiple open notebooks consuming Provide a config for a user-visible timeout message, e. We have disabled culling. start being very slow (such as PBS-style batch queues, or instantiating whole AWS It sounds like your K8s cluster has run out of resources, and/or you’ve got nodes in multiple zones but your volumes are only valid in a single zone. It uses the JupyterHub REST API and How to Keep Your Jupyter Notebook Session Alive (Even After Logging Out) Picture this: You hit “Run” on a heavy Jupyter notebook, maybe it’s training an AI model, cleaning up a dataset, or JupyterHub proxy fails to start # If you have tried to start the JupyterHub proxy and it fails to start: check if the JupyterHub IP configuration setting is c. The server timeout is set to 15 minutes. [D 2023-11-15 08:04:14. After created and started single-user notebook container, I received a warning saying "DEPRECATION: Spawner. When a single-user server spawn exceeds spawner. extraConfig but these end up hitting a 5 minute timeout in my Helm deployment as my CI/CD pipeline runs. Spawning server” You will have to launch jupyterhub-singleuser which is a wrapper around jupyterlanb / notebook that takes care of auth. My idea is to run python/jupyterhub in a conda virtual environment as a system service. spawn_timeout_user_message = str or callable(ctx) -> str. 0. JupyterHub # JupyterHub is the best way to serve Jupyter notebook for multiple users. See the KubeSpawner documentation for more information about I have installed Anaconda and jupyterhub. Either option would External services # When working with JupyterHub, a Service is defined as a process that interacts with the Hub’s REST API. 6. Try using c. Please fill out all required fields and try again. Expected This is the timeout for start to return, not the timeout for the server to respond. Spawner(**kwargs: Any) # Base class When launching JupyterHub, the system will stay on the page “Your server is starting up. I'm trying to run JupyterHub locally with Kind and Helm 3. I’ve the the Is there a way to interrupt a spawning server that is stuck? If I try to select “Stop My Server” from hub/home endpoint, the Jupyterhub simply says: API request failed (400): Hello, I am experiencing an issue with JupyterHub on my Ubuntu server, which is configured for multiple users. py. This setup is on a workstation (Ubuntu 14. Does the hub have any default idle timeout setting. For more details, see the configuration reference. I would like to check every 1 hour interval. 0 got The timeout error connecting to the gateway client could be due to a network policy. I also have trouble today with launching the JupyterHub, also the timeout. 2. Because JupyterHub manages a separate Jupyter environment for each user, it can be used in a class of students, a I am trying to run jupyterhub on an Ubuntu 20. So MappingKernelManager. start_timeout, which is 60 seconds. jupyterhub/jupyterhub/proxy. Callers of spawner. I’m seeing a peculiar failure in which the notebook is spawned and successfully begins running, at I am using TLJH. ip = '*'; if it is, try My Jupyterhub server timeouts if there is no activity for more than an hour or so by the users of the hub. Often, this includes a desire to configure the user Optimizations # This page contains information and guidelines for improving the reliability, flexibility and stability of your JupyterHub deployment. You may need to explicitly grant single-user server pods access to the gateway service. We have Hello I am running jupyterhub 1. 1 2025-02-24T16:54:16. Many of the settings described is only purposeful for a better autoscaling Hello everyone and thank in advance for any insights. When starting a new Notebook, it takes a while 'till the node is spun up. 1:35990/user// didn't respond in 30 seconds. But still, the server JupyterHub is a fantastic platform for getting students up and running with Jupyter notebooks without the hassle of installations and maintenance on individual machines. Configuring user environments # To deploy JupyterHub means you are providing Jupyter notebook environments for multiple users. cmd = ['/usr/local/bin But when I use JupyterHub to spawn user notebooks with DockerSpawner, the notebook always timeouts 504 gateway timeout in 60 seconds. jupyterhub-idle-culler makes decisions based on information provided by JupyterHub, that Can you give us enough information to reproduce the problem? For example, what operating system are you using, is it a standard OS or have you customised it, how did you Hi, I am trying to set up JupyterHub with YarnSpawner against a Hadoop cluster. start being very slow (such as PBS-style batch queues, or instantiating whole AWS instances) via relaxing the Spawner. 0,<=6. 0' # create a user, since we don't JupyterHub proxy fails to start # If you have tried to start the JupyterHub proxy and it fails to start: check if the JupyterHub IP configuration setting is c. As the sudo access does not work in JupyterHub terminal, users do When troubleshooting, you may see unexpected behaviors or receive an error message. start_timeout=300 However my server keeps timing out at 30 seconds. Following the ZTJH instructions to setup the hub, I can’t spawn user pods, as they Spawners # Module: jupyterhub. DockerSpawner(**kwargs: Any) # A Spawner for JupyterHub that runs each I have done jupyterhub setup on k8s using helm charts Everything was working fine but recently few days back I could see that my user pods are not getting spawned My config We are using JupyterHub. I want to When Spawner. As I want to be able to I see this from time to time, especially when the internet connection is unstable. start should return Well, the idle-culler is an independent GitHub project which is often integrated in a JupyterHub installation. Initially, the server was managed with a single admin account Since the spawner and hub use the same start_timeout, in some cases the hub server will fail first. http_timeout = 30 # or whatever number of seconds to wait The hook I have Hi! I have set my timeouts to something over 30s, like: --Spawner. 04 LTS server. py file import json import os from Optimizations # This page contains information and guidelines for improving the reliability, flexibility and stability of your JupyterHub deployment. The timeout is for 90 seconds but the Why am I getting the "Spawn Failed: Server at http://127. 490194Z [Warning] 0/4 nodes are available: 1 I’ve attempted to pass in values to hub. 878 I am facing an issue in spawning new pod with jupyterhub using custom kubespawner. 04) which I am accessing over the local network. 0-d359d98 I successfully setup and run zero-to-jupyterhub-k8s. Often, this includes a desire to configure the user 1. start will assume that startup has failed if it takes longer than this. I’ve increase the startTimeout: For your information, the 'screen' command requires sudo rights and multiple SSH sessions in JupyterHub. Please find below the pip list Seems like I have a very similar problem. Is there any Please find my values file attached below (the image registry has been updated so that I can deploy it within our company, but the images are the same as the default chart): # I use dockerspawner as my spawner class. Many of the settings described is only purposeful for a better autoscaling Bug description Hi, I am currently experiencing a strange issue with the latest 2. However, I and my users have Bug description The Jupyterhub Proxy has a hard coded timeout value of one second for the proxy startup. ip = '*'; if it is, try Configuring user environments ¶ Deploying JupyterHub means you are providing Jupyter notebook environments for multiple users. I have tried following, Increase helm install time out - didn't work Failed to pull image: I can see jupyterhub/k8s-image-awaiter:2. py can be automatically generated via Most of this information is available in This is the timeout for start to return, not the timeout for the server to respond. 6 RUN pip3 install \ jupyterhub==0. spawner. 25+ [Connection timed out] #3110. cull_idle_timeout is JupyterHub service to cull idle servers and users. For example, shutting down individuals’ single user 玩转jupyterhub 我不会设置仅粉丝可见，不需要你关注我，仅仅希望我的踩坑经验能帮到你。如果有帮助，麻烦点个 👍 吧，这会让我创作动力+1 😁。我发现有的时候会自动要求会员才能看，可以留言告诉我，不是 JupyterHub configuration ¶ As explained in the Configuration Basics section, the jupyterhub-config. Culling user pods # When users work with a JupyterHub We experienced a similar issue and it ended up being a failure in our networking layer (calico) on one dynamically provisioned node at start up so worth looking at all running We are trying to create a golden AMI for launching EC2 instances for our data devs. http_timeout=300 --Spawner. Enterprise Gateway logs are the same. Behavior: When starting a new Notebook, it takes a while 'till the node is spun up. Since we want Configuring user environments # To deploy JupyterHub means you are providing Jupyter notebook environments for multiple users. 7. It would be helpful to I have completed setting up Anaconda distribution, installed JupyterHub but when i login to the Hub, i get Spawn failed: Server at http://127. ip = '*'; if it is, try Because certain reasons, the JupyterHub fails to launch. I started this project initially following this guide (https:// Hi all, I would like to cull the idle jhub kernels which are idle for 12 hours. com/jupyterhub/jupyterhub#docker "To run the single-user servers, which may be on the same system as the Hub or not, Jupyter Notebook version 4 or I am having an issue where the hub pod is unable to spawn user pods, and failing within 30 seconds with a timeout error, even though the singleuser. Depending on the version, you must install it (e. i created a user adduser and provided the privileges to the user. 0 has issues connecting other pods on AKS cluster 1. 1:47353/user/fyicenter/ didn't respond in 30 seconds"? Use Cases # To determine which scopes a role should have, one can follow these steps: Determine what actions the role holder should have/have not access to Match the actions JupyterHub proxy fails to start # If you have tried to start the JupyterHub proxy and it fails to start: check if the JupyterHub IP configuration setting is c. c. Dockerfile: FROM jupyterhub/jupyterhub:latest #FROM jupyterhub/jupyterhub-onbuild RUN apt-get 我将jupyterhub 部署在k8s 上。目前是部署在aks上，微软提供的k8s服务，pv用的是azure file。创建jupyter note的时候有一部分用户的 pod能起的来，但是有一部分用户启动pod的 repoURL: ‘ JupyterHub helm charts | JupyterHub’s Helm chart repository ’ targetRevision: 3. The final security requirement I have to answer is that users Bug description Follow doc, I had build a custom image with follow command # Dockerfile FROM python:3. Configuring user environments ¶ Deploying JupyterHub means you are providing Jupyter notebook environments for multiple users. TLJH is already installed on the image, along with several lab extensions. How do I increase the timeout when spawning a dockerSpawned notebook server? At launch-time inside the container, I’m running a script within the /usr/local/bin/before We are using Jupyterhub and configured kernel to submit the code as Pyspark jobs. I have verified that if I sit idle for 15 minutes, the server does indeed shut down. It worked in the morning (CEST), then in the afternoon it My config is # fullnameOverride and nameOverride distinguishes blank strings, null values, # and non-blank strings. We have a headache every time we release the hub service, because it often has a I am wondering if there is an established way to prevent a Jupyterhub server from shutting down after a period of inactivity. We have a dockerized Jupyterhub Server in a VM that uses kubeSpawner to spawn pods in a EKS Cluster. Should we use http_timeout in the hub? This allows us to set http_timeout > start_timeout. We may check logs of JupyterHub pod to see what root causes are. However while everything does work I 👋 I haven’t been able to find anything that specifically gets at this problem. g. start returns, the single-user server process should actually be running, not just requested. it starts fine however the user123 JupyterHub 2. 2 \ 'notebook>=5. start should return a url or (ip, port) tuple in The kubespawner (also known as the JupyterHub Kubernetes Spawner) enables JupyterHub to spawn single-user notebook servers on a Kubernetes cluster. I would like to kill/cull the idle notebooks after 30 minutes. via pip) yourself. jupyterhub-idle-culler collects information and acts entirely through JupyterHub's REST API. I am going to use jupyterhub-idle-culler-service. Hello! Newbie here I installed a not so powerfull Oracle Linux 9 VM with the available resources: 12GB RAM and 2 vCPUs. start_timeout, JupyterHub currently catches asyncio. If JupyterHub has not been notified of any activity after a certain period (the idle timeout), the server is considered to be inactive (idle) and will be culled (shutdown). If yes, can you please There doesn't appear to be a jupyterhub command line argument to specify the location of the jupyter_notebook_config. 0 behind a nginx/letsencrypt reverse proxy on jetstream both are docker containers on Ubuntu 18. Initially I thought this could be resource Hi, I’m running Jupyterhub on an Azure cluster with node autoscaling enabled. start should return when the server process is started JupyterHub waits until spawner. but Hi, I’m going to deploy jupyterhub with nbgrader for a course. The problem is that you don't always pull images so the start_timeout is widely variable: 10 seconds 99% of DockerSpawner API # Module: dockerspawner # DockerSpawner # class dockerspawner. JupyterHub can handle Spawner. It does seem like jupyter is a bit quick to assume that the server isn't running when in fact the We are deploying JupyterHub on a virtual machine for 50 users. I’ve the the start_timeout to 3600 seconds (even the http_timeout to 3600), yet after 5 minutes, the UI Refer: https://github. 0 version of jupyterhub (Docker image): Using the default PAM authentication and setting up a local user, the spa My jupyterhub instance is running in a docker container. In our lab, we use The Littlest How to update JupyterHub idle-culling settingsUpdate JupyterHub idle-culling settings This document provides information on how to update JupyterHub idle-culling JupyterHub configuration: As explained in the Configuration Basics section, the jupyterhub_config. It is used in classes in a satisfactory way. start_timeout config value. Would it be possible to stop server upon logout? is it recommended? what are the consequences? how can I stop I’m setting up a local environment for JupyterHub testing using Kubernetes with Docker. When I start jupyterhub on centOS7. A Service may perform a specific action or task. With There are some answers in web which didn't help to resolve the issue. Often, this includes a desire to configure the user environment in a custom way. Spawner. startTimeout is set to Spawners # Module: jupyterhub. This section provides links for identifying the cause of the problem and how to resolve it. Sometimes I’m currently trying to open a Jupyterhub instance deployed in my organization HPC cluster wide open on the internet. Below is my custom_kubespawner. Linked Issue: jupyterhub/zero-to-jupyterhub-k8s#760 Hi there! I have installed Zero to JupyterHub via a subchart that is calling Jupyter. Setting - JupyterHub can handle Spawner. 874 JupyterHub reflector:282] Connecting pods watcher [D 2023-11-15 08:04:15. , c. py can be automatically generated via Customizing User Management # This section describes management of users and their permissions on JupyterHub. geqcsgci2ycfoc9thgrlctedfi79xx2hrqicl39w