Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 17, 2026 12:00 AM
Duration
45.71 ms
Status
201
Response Size
3 KB
Error
No

Performance Breakdown

Database
36.1% (3 queries)
View Rendering
14.6%
Application Logic
49.3%
Other Operations
0.0%
Total Operations
6
Slowest Operation
45.71 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 46.4ms 92.7ms 139.1ms 185.4ms

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/settings#show 46 ms 100.0%
posts/show 27 ms 59.1%
users/settings#show 46 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 > ? 33 ms 72.2%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 11 ms 24.1%
SELECT * FROM users WHERE id = ? 23 ms 50.3%