Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 16, 2026 6:25 PM
Duration
35.69 ms
Status
200
Response Size
13 KB
Error
No

Performance Breakdown

Database
21.6% (3 queries)
View Rendering
23.2%
Application Logic
55.2%
Other Operations
0.0%
Total Operations
5
Slowest Operation
35.69 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 16.2ms 32.3ms 48.5ms 64.7ms

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 users WHERE id = ? 8 ms 22.4%
users/settings#show 36 ms 100.0%
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... 5 ms 14.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 1 ms 2.8%
home/index 15 ms 42.0%