Request Details

Route
/comments POST
Timestamp
Sep 19, 2026 10:00 AM
Duration
46.74 ms
Status
204
Response Size
12 KB
Error
No

Performance Breakdown

Database
22.8% (2 queries)
View Rendering
10.7%
Application Logic
66.5%
Other Operations
0.0%
Total Operations
5
Slowest Operation
46.74 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 35.1ms 70.2ms 105.4ms 140.5ms

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 47 ms 100.0%
comments#create 47 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 2 ms 4.3%
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... 30 ms 64.2%
home/index 15 ms 32.1%