Request Details

Route
/users/:id/settings GET|PATCH
Timestamp
Sep 12, 2026 4:30 AM
Duration
45.55 ms
Status
201
Response Size
8.4 KB
Error
No

Performance Breakdown

Database
37.5% (2 queries)
View Rendering
35.0%
Application Logic
27.5%
Other Operations
0.0%
Total Operations
5
Slowest Operation
45.55 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 41.4ms 82.8ms 124.2ms 165.6ms

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 26 ms 57.1%
posts/show 32 ms 70.2%
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... 35 ms 76.8%
SELECT * FROM posts WHERE created_at > ? 27 ms 59.3%
users/settings#show 46 ms 100.0%