---
title: "Checking performance improvements for regressions elsewhere"
description: "How can you check memory, correctness, and tail latency after optimization?"
status: "coming-soon"
language: "en"
canonical: "https://bulnik.dev/en/articles/topics/T45.10/"
topicId: "T45.10"
---

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

## The question

How can you check memory, correctness, and tail latency after optimization?

## What we will work through

Check memory, correctness, and tail latency after optimization.

## Before you begin

Previously covered: Optimizing a request's critical path.

- [Optimizing a request's critical path](/en/articles/topics/T45.09/)