Request Details

Route
/users/:id GET
Timestamp
Sep 23, 2026 7:43 AM
Duration
39.67 ms
Status
201
Response Size
12 KB
Error
No

Performance Breakdown

Database
16.6% (2 queries)
View Rendering
17.5%
Application Logic
65.9%
Other Operations
0.0%
Total Operations
8
Slowest Operation
39.67 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 60.2ms 120.3ms 180.5ms 240.7ms

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#show 40 ms 100.0%
home/index 34 ms 85.7%
users#show 40 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 28 ms 70.6%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 12 ms 30.3%
users#show 40 ms 100.0%
home/index 8 ms 20.2%
users#show 40 ms 100.0%