Request Details

Route
/comments POST
Timestamp
Sep 13, 2026 9:20 PM
Duration
85.14 ms
Status
204
Response Size
17 KB
Error
No

Performance Breakdown

Database
47.9% (2 queries)
View Rendering
52.1%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
38.0 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 18.3ms 36.5ms 54.8ms 73.0ms

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
posts/show 38 ms 44.6%
SELECT * FROM users WHERE id = ? 1 ms 1.2%
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 39.9%