Request Details

Route
/users/:id PUT
Timestamp
Sep 13, 2026 7:56 AM
Duration
33.58 ms
Status
201
Response Size
9.9 KB
Error
No

Performance Breakdown

Database
21.6% (2 queries)
View Rendering
41.1%
Application Logic
37.3%
Other Operations
0.0%
Total Operations
6
Slowest Operation
40.0 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 45.0ms 90.1ms 135.1ms 180.2ms

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#update 34 ms 100.0%
users/index 40 ms 119.1%
SELECT name FROM users 35 ms 104.2%
home/index 34 ms 101.3%
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... 4 ms 11.9%
users#update 34 ms 100.0%