Request Details

Route
/users/:id GET
Timestamp
Sep 11, 2026 3:35 AM
Duration
225.51 ms
Status
204
Response Size
11 KB
Error
No

Performance Breakdown

Database
7.5% (3 queries)
View Rendering
3.7%
Application Logic
88.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
225.51 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 190.4ms 380.8ms 571.1ms 761.5ms

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 comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 4 ms 1.8%
home/index 28 ms 12.4%
users#show 226 ms 100.0%
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... 24 ms 10.6%
users#show 226 ms 100.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 29 ms 12.9%
users#show 226 ms 100.0%