Request Details

Route
/posts/:id PUT
Timestamp
Sep 10, 2026 9:34 PM
Duration
47.54 ms
Status
204
Response Size
4.1 KB
Error
No

Performance Breakdown

Database
30.4% (5 queries)
View Rendering
30.4%
Application Logic
39.1%
Other Operations
0.0%
Total Operations
8
Slowest Operation
47.54 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 30.4ms 60.8ms 91.2ms 121.5ms

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 users WHERE id = ? 4 ms 8.4%
SELECT * FROM posts WHERE created_at > ? 6 ms 12.6%
users/index 10 ms 21.0%
layouts/application 27 ms 56.8%
SELECT * FROM posts WHERE created_at > ? 7 ms 14.7%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 1 ms 2.1%
posts#update 48 ms 100.0%
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... 19 ms 40.0%