Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 18, 2026 5:17 PM
Duration
58.74 ms
Status
201
Response Size
17 KB
Error
No

Performance Breakdown

Database
16.7% (3 queries)
View Rendering
21.9%
Application Logic
61.4%
Other Operations
0.0%
Total Operations
7
Slowest Operation
58.74 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 47.9ms 95.7ms 143.6ms 191.5ms

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 59 ms 100.0%
users/settings#show 59 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 > ? 17 ms 28.9%
posts/show 21 ms 35.7%
SELECT * FROM posts WHERE created_at > ? 5 ms 8.5%
users/index 21 ms 35.7%
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... 10 ms 17.0%