TSYSGroupHandbook/SourceMaterial/people/team-structure/infrastructure.md

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---
title: Team Infrastructure & Deployments
sidebar: Handbook
showTitle: true
hideAnchor: true
---
![Image of Cloud Infrastructure](https://github.com/PostHog/posthog-cloud/blob/master/docs/images/infra.png?raw=true)
## People
- [James Greenhill](/handbook/company/team/#james-greenhill-software-engineer) (Team lead, Data/Infra Engineer)
- [Karl-Aksel Puulmann](/handbook/company/team/#karl-aksel-puulmann-software-engineer) (Full Stack Engineer)
## Mission
Make using and developing for PostHog as reliable as running water. Wherever you want it.
## Goals
- We don't lose events
- Data is as up to date as possible
- Engineers always be able to ship and build
- Fail fast. Fix faster.
- Ship anywhere
- Stack scales with demand
- Support Small Teams (and contributors) in building and debugging Posthog
- Be frugal.
## Responsibilities
Concrete things we take responsibility over:
- [app.posthog.com](app.posthog.com) and its infrastructure
- On Prem & Single Tenant deployments
- CI/CD - How we deploy
- Data infrastructure (Clickhouse, Kafka)
- Monitoring and Alerting stack
## Customer
- Other Small Teams in making sure they have the tools (databases, queues, etc) and the ability to deploy effortlessly that they need to build
- End users (Both cloud and on-prem teams)
## Output metrics
### VPC
###### Retention
- Metric: Retention
- Objective: Better than cloud
### Cloud
###### Data Loss
- Metric: Data loss %
- Objective: < 0.1%
###### Uptime
- Metric: Uptime
- Objective: > 99.99%
###### Speed
- Metric: Speed
- Objectives
- Event ingestion: TBD
- Query response: TBD
- Overall: We should anticipate increasing demand (either manually or automatically)
##### Cost
- Metric: Infra Costs
- Objective: Our costs should grow at a rate that is sublinear relative to scale
### Dev Experience
##### Dev Experience NPS (Infra)
- Metric: Developer experience (relating to infra) (maybe NPS?)
- Objective: TBD (maybe NPS?)
## Slack channel
[#team-deployments-and-infrastructure](https://posthog.slack.com/messages/team-deployments-and-infrastructure)