Request Details

Route
/users/:id PUT
Timestamp
Sep 10, 2026 3:03 PM
Duration
56.09 ms
Status
204
Response Size
3.9 KB
Error
No

Performance Breakdown

Database
41.6% (4 queries)
View Rendering
19.4%
Application Logic
38.9%
Other Operations
0.0%
Total Operations
6
Slowest Operation
56.09 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 36.0ms 72.0ms 108.1ms 144.1ms

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
DELETE FROM comments WHERE created_at < ? 35 ms 62.4%
SELECT * FROM posts WHERE created_at > ? 1 ms 1.8%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 17 ms 30.3%
users#update 56 ms 100.0%
SELECT name FROM users 7 ms 12.5%
layouts/application 28 ms 49.9%