Request Details

Route
/posts POST
Timestamp
Sep 22, 2026 1:17 PM
Duration
48.49 ms
Status
204
Response Size
13 KB
Error
No

Performance Breakdown

Database
68.5% (4 queries)
View Rendering
31.5%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
8
Slowest Operation
34.0 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 36.5ms 73.0ms 109.5ms 146.0ms

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 name FROM users 24 ms 49.5%
layouts/application 9 ms 18.6%
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... 10 ms 20.6%
posts/show 7 ms 14.4%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 32 ms 66.0%
posts/show 5 ms 10.3%
users/index 25 ms 51.6%
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... 34 ms 70.1%