Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 12, 2026 7:41 AM
Duration
25.84 ms
Status
201
Response Size
14 KB
Error
No

Performance Breakdown

Database
33.4% (3 queries)
View Rendering
16.7%
Application Logic
49.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
27.0 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 38.9ms 77.8ms 116.6ms 155.5ms

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
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 > ? 27 ms 104.5%
users/settings#show 26 ms 100.0%
users/settings#show 26 ms 100.0%
users/settings#show 26 ms 100.0%
posts/show 26 ms 100.6%
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... 11 ms 42.6%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 14 ms 54.2%