Request Details

Route
/users/:id GET
Timestamp
Sep 19, 2026 10:25 AM
Duration
25.1 ms
Status
204
Response Size
20 KB
Error
No

Performance Breakdown

Database
57.1% (4 queries)
View Rendering
8.8%
Application Logic
34.1%
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 36.8ms 73.6ms 110.4ms 147.2ms

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 posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 31 ms 123.5%
users#show 25 ms 100.0%
posts/show 13 ms 51.8%
DELETE FROM posts WHERE id = ? 3 ms 12.0%
SELECT name FROM users 17 ms 67.7%
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... 33 ms 131.5%
users#show 25 ms 100.0%