Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 22, 2026 2:38 PM
Duration
55.44 ms
Status
201
Response Size
6.5 KB
Error
No

Performance Breakdown

Database
22.2% (3 queries)
View Rendering
21.7%
Application Logic
56.0%
Other Operations
0.0%
Total Operations
8
Slowest Operation
55.44 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 49.5ms 98.9ms 148.4ms 197.9ms

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 55 ms 100.0%
users/index 7 ms 12.6%
users/settings#show 55 ms 100.0%
home/index 29 ms 52.3%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 17 ms 30.7%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 23 ms 41.5%
posts/show 7 ms 12.6%
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... 4 ms 7.2%