Request Details

Route
/users/:id PUT
Timestamp
Sep 14, 2026 11:39 AM
Duration
41.52 ms
Status
204
Response Size
7.2 KB
Error
No

Performance Breakdown

Database
85.4% (4 queries)
View Rendering
14.6%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
5
Slowest Operation
32.0 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 20.5ms 41.0ms 61.5ms 82.0ms

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 user_id = ? ORDER BY created_at DESC LIMIT ? 32 ms 77.1%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 20 ms 48.2%
SELECT * FROM users WHERE id = ? 14 ms 33.7%
posts/show 12 ms 28.9%
SELECT name FROM users 4 ms 9.6%