Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 10, 2026 4:44 PM
Duration
41.98 ms
Status
201
Response Size
5.9 KB
Error
No

Performance Breakdown

Database
41.9% (2 queries)
View Rendering
18.1%
Application Logic
40.0%
Other Operations
0.0%
Total Operations
4
Slowest Operation
41.98 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 26.2ms 52.5ms 78.7ms 105.0ms

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 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... 25 ms 59.5%
DELETE FROM comments WHERE created_at < ? 19 ms 45.3%
home/index 19 ms 45.3%
users/settings#show 42 ms 100.0%