Request Details

Route
/users/:id PUT
Timestamp
Sep 14, 2026 3:51 PM
Duration
63.21 ms
Status
204
Response Size
8.3 KB
Error
No

Performance Breakdown

Database
8.1% (3 queries)
View Rendering
34.8%
Application Logic
57.1%
Other Operations
0.0%
Total Operations
8
Slowest Operation
63.21 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 55.4ms 110.7ms 166.1ms 221.4ms

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 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... 5 ms 7.9%
home/index 24 ms 38.0%
users#update 63 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 8 ms 12.7%
users/index 22 ms 34.8%
users#update 63 ms 100.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 5 ms 7.9%
posts/show 31 ms 49.0%