Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 16, 2026 10:35 AM
Duration
29.79 ms
Status
200
Response Size
12 KB
Error
No

Performance Breakdown

Database
25.4% (2 queries)
View Rendering
58.4%
Application Logic
16.1%
Other Operations
0.0%
Total Operations
6
Slowest Operation
38.0 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 46.2ms 92.4ms 138.6ms 184.8ms

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
home/index 35 ms 117.5%
home/index 38 ms 127.6%
posts/show 35 ms 117.5%
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 > ? 25 ms 83.9%
users/settings#show 30 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 22 ms 73.9%