Request Details

Route
/users POST
Timestamp
Sep 20, 2026 5:02 PM
Duration
14.41 ms
Status
204
Response Size
8.2 KB
Error
No

Performance Breakdown

Database
22.4% (2 queries)
View Rendering
51.9%
Application Logic
25.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
33.0 ms

Request Trace

How to read this

Each row is a layer of your stack. Many short Database bars means N+1 queries — fix with includes(). A wide Action bar with little Database time means slow Ruby code. A wide View bar usually means a partial rendered in a loop.

Action
View
Database
Other
Action
View
Database
0.0ms 28.0ms 55.9ms 83.9ms 111.8ms

Operations

How to use this

Sort by Impact to find your biggest wins. Click any row for details and optimisation suggestions. The same SQL appearing multiple times is an N+1 — fix with includes(). A single operation above 50% impact is your highest priority.

Operation Duration Impact Timeline Actions
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 7 ms 48.6%
users#create 14 ms 100.0%
layouts/application 8 ms 55.5%
SELECT name FROM users 18 ms 124.9%
users#create 14 ms 100.0%
posts/show 17 ms 118.0%
home/index 33 ms 229.0%