Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 21, 2026 8:49 PM
Duration
88.77 ms
Status
200
Response Size
11 KB
Error
No

Performance Breakdown

Database
8.2% (2 queries)
View Rendering
21.8%
Application Logic
70.0%
Other Operations
0.0%
Total Operations
8
Slowest Operation
88.77 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 95.1ms 190.1ms 285.2ms 380.3ms

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 (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... 12 ms 13.5%
users/settings#show 89 ms 100.0%
posts/show 12 ms 13.5%
users/index 40 ms 45.1%
users/settings#show 89 ms 100.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 19 ms 21.4%
users/settings#show 89 ms 100.0%
layouts/application 31 ms 34.9%