Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 17, 2026 11:15 AM
Duration
85.88 ms
Status
201
Response Size
21 KB
Error
No

Performance Breakdown

Database
16.3% (2 queries)
View Rendering
18.6%
Application Logic
65.1%
Other Operations
0.0%
Total Operations
7
Slowest Operation
85.88 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 65.9ms 131.9ms 197.8ms 263.8ms

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
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 33 ms 38.4%
users/settings#show 86 ms 100.0%
users/settings#show 86 ms 100.0%
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 11.6%
layouts/application 8 ms 9.3%
users/index 21 ms 24.5%
posts/show 20 ms 23.3%