Request Details

Route
/users/:id PUT
Timestamp
Sep 11, 2026 4:14 PM
Duration
38.98 ms
Status
200
Response Size
14 KB
Error
No

Performance Breakdown

Database
10.7% (1 query)
View Rendering
63.3%
Application Logic
26.0%
Other Operations
0.0%
Total Operations
6
Slowest Operation
39.0 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 37.5ms 75.0ms 112.5ms 150.0ms

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
users#update 39 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 > ? 16 ms 41.0%
users/index 27 ms 69.3%
users/index 8 ms 20.5%
users/index 39 ms 100.1%
posts/show 21 ms 53.9%