---
title: "A cached request: reads, misses, updates and staleness"
description: "How do the application, Redis and primary database interact on reads and updates?"
status: "coming-soon"
language: "en"
canonical: "https://bulnik.dev/en/articles/topics/T11.12/"
topicId: "T11.12"
---

> Coming soon — this article is being prepared. Below are its question, intended outcome, and place in the story.

## The question

How do the application, Redis and primary database interact on reads and updates?

## What we will work through

Trace four request paths and locate possible data inconsistencies.

## Before you begin

Familiarity with the overview: Redis in the platform: fast data and responsibility boundaries

- [Redis in the platform: fast data and responsibility boundaries](/en/articles/topics/T11.11/)