Request Details

Route
/users/:id PUT
Timestamp
Sep 10, 2026 8:40 AM
Duration
21.77 ms
Status
201
Response Size
14 KB
Error
No

Performance Breakdown

Database
49.6% (3 queries)
View Rendering
28.3%
Application Logic
22.0%
Other Operations
0.0%
Total Operations
6
Slowest Operation
30.0 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 24.7ms 49.4ms 74.1ms 98.8ms

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 posts WHERE created_at > ? 15 ms 68.9%
posts/show 19 ms 87.3%
users#update 22 ms 100.0%
posts/show 9 ms 41.3%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 30 ms 137.8%
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 > ? 4 ms 18.4%