Request Details

Route
/comments POST
Timestamp
Sep 09, 2026 1:13 PM
Duration
32.82 ms
Status
204
Response Size
11 KB
Error
No

Performance Breakdown

Database
61.8% (2 queries)
View Rendering
38.2%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
3
Slowest Operation
34.0 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 22.3ms 44.5ms 66.8ms 89.0ms

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
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 30 ms 91.4%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 25 ms 76.2%
layouts/application 34 ms 103.6%