Request Details

Route
/users/:id PUT
Timestamp
Sep 21, 2026 8:19 PM
Duration
64.55 ms
Status
201
Response Size
14 KB
Error
No

Performance Breakdown

Database
41.0% (3 queries)
View Rendering
16.9%
Application Logic
42.0%
Other Operations
0.0%
Total Operations
5
Slowest Operation
64.55 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 38.4ms 76.8ms 115.2ms 153.6ms

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
SELECT name FROM users 3 ms 4.6%
users#update 65 ms 100.0%
layouts/application 26 ms 40.3%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 35 ms 54.2%
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... 25 ms 38.7%