Request Details

Route
/comments POST
Timestamp
Sep 10, 2026 9:18 PM
Duration
29.55 ms
Status
204
Response Size
20 KB
Error
No

Performance Breakdown

Database
34.8% (3 queries)
View Rendering
26.3%
Application Logic
38.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
29.55 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 38.0ms 76.1ms 114.1ms 152.1ms

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
comments#create 30 ms 100.0%
posts/show 25 ms 84.6%
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... 26 ms 88.0%
posts/show 15 ms 50.8%
comments#create 30 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 15 ms 50.8%
SELECT name FROM users 12 ms 40.6%