Request Details

Route
/comments POST
Timestamp
Sep 14, 2026 6:25 PM
Duration
37.48 ms
Status
204
Response Size
14 KB
Error
No

Performance Breakdown

Database
19.5% (2 queries)
View Rendering
19.5%
Application Logic
61.0%
Other Operations
0.0%
Total Operations
6
Slowest Operation
37.48 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 46.1ms 92.2ms 138.3ms 184.5ms

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
comments#create 37 ms 100.0%
comments#create 37 ms 100.0%
comments#create 37 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 20 ms 53.4%
posts/show 36 ms 96.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 16 ms 42.7%