Request Details

Route
/comments POST
Timestamp
Sep 20, 2026 9:25 PM
Duration
61.08 ms
Status
204
Response Size
18 KB
Error
No

Performance Breakdown

Database
51.0% (3 queries)
View Rendering
8.0%
Application Logic
41.0%
Other Operations
0.0%
Total Operations
5
Slowest Operation
61.08 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 37.3ms 74.5ms 111.8ms 149.1ms

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
SELECT id, name, email FROM users WHERE id = ? 8 ms 13.1%
home/index 12 ms 19.6%
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... 35 ms 57.3%
comments#create 61 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 33 ms 54.0%