---
title: "Stream retention by time and size"
description: "How can you test expiration of old stream entries under retention?"
status: "coming-soon"
language: "en"
canonical: "https://bulnik.dev/en/articles/topics/T21.03/"
topicId: "T21.03"
---

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

## The question

How can you test expiration of old stream entries under retention?

## What we will work through

Test expiration of old stream entries under retention.

## Before you begin

Previously covered: Streams as replayable logs.

- [Streams as replayable logs](/en/articles/topics/T21.01/)