Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 19, 2026 6:13 PM
Duration
20.98 ms
Status
200
Response Size
6.9 KB
Error
No

Performance Breakdown

Database
2.7% (1 query)
View Rendering
40.6%
Application Logic
56.7%
Other Operations
0.0%
Total Operations
3
Slowest Operation
20.98 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 9.2ms 18.5ms 27.7ms 37.0ms

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/index 15 ms 71.5%
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... 1 ms 4.8%
users/settings#show 21 ms 100.0%