Request Details

Route
/users/:id PUT
Timestamp
Sep 14, 2026 5:46 AM
Duration
33.4 ms
Status
201
Response Size
22 KB
Error
No

Performance Breakdown

Database
23.0% (3 queries)
View Rendering
12.9%
Application Logic
64.0%
Other Operations
0.0%
Total Operations
8
Slowest Operation
33.4 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 52.2ms 104.3ms 156.5ms 208.6ms

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 * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 23 ms 68.9%
users#update 33 ms 100.0%
SELECT * FROM users WHERE id = ? 12 ms 35.9%
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... 13 ms 38.9%
users#update 33 ms 100.0%
users#update 33 ms 100.0%
users#update 33 ms 100.0%
users/index 27 ms 80.8%