Request Details

Route
/users/:id PUT
Timestamp
Sep 15, 2026 9:27 PM
Duration
15.78 ms
Status
204
Response Size
10 KB
Error
No

Performance Breakdown

Database
37.3% (5 queries)
View Rendering
62.7%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
8
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
View
Database
0.0ms 40.3ms 80.5ms 120.8ms 161.0ms

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 created_at > ? 16 ms 101.4%
users/index 40 ms 253.5%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 23 ms 145.8%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 10 ms 63.4%
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... 2 ms 12.7%
home/index 30 ms 190.1%
home/index 31 ms 196.5%
SELECT * FROM posts WHERE created_at > ? 9 ms 57.0%