DataHub
Architecture and contributing
Admin Tasks
Policy
Incident Reports
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JupyterHub Deployments
Architecture and Contribution Overview
Pre-requisites
Repository Structure
Continuous Integration and Deployment
Kubernetes Cluster Configuration
Cloud Credentials
User home directory storage
Common Administrator Tasks
Documentation
Update DNS
Core Node Pool Management
Create a New Hub
Customize the Hub Docker Image
User Images
Create a New Single User Image
Update the Image
Testing and Upgrading New Packages
Test User Images Locally
Managing multiple user image repos
Transition Single User Image to GitHub Actions
Customize the Per-User Postgres Docker Image
Course Configuration
Calendar Node Pool Autoscaler
Prometheus and Grafana
JupyterHub ORM Maintenance
Delete or spin down a Hub
Switching over a hub to a new cluster
Create Finely Grained Access Token
Reading Google Sheets from DataHub
Operations Cheatsheet
DataHub Semester Start and End Tasks
Policy
Process to publish policy proposals
Policy considerations for creating a new hub
Policy considerations for deploying to the main Datahub
Principles to be considered while creating new policies
Incident Reports
Incident Reports
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Date - Oldest
Date - Newest
Title
Date
Title
Feb 9, 2017
JupyterHub db manual overwrite
Feb 24, 2017
Custom Autoscaler gonee haywire
Feb 24, 2017
Proxy eviction strands user
Mar 6, 2017
Non-matching hub image tags cause downtime
Mar 20, 2017
Too many volumes per disk leave students stuck
Mar 23, 2017
Weird upstream ipython bug kills kernels
Apr 3, 2017
Custom autoscaler does not scale up when it should
May 9, 2017
Oops we forgot to pay the bill
Oct 10, 2017
Docker dies on a few Azure nodes
Oct 19, 2017
Billing confusion with Azure portal causes summer hub to be lost
Jan 25, 2018
Accidental merge to prod brings things down
Jan 26, 2018
Hub starts up very slow, causing outage for users
Feb 6, 2018
Azure PD refuses to detach, causing downtime for data100
Feb 28, 2018
A node hangs, causing a subset of users to report issues
Jun 11, 2018
Azure billing issue causes downtime
Feb 25, 2019
Azure Kubernetes API Server outage causes downtime
May 1, 2019
Service Account key leak incident
Jan 20, 2022
Hubs throwing 505 errors
Feb 1, 2024
Core nodes being autoscaled, configurable HTTP proxy crashes
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Principles to be considered while creating new policies