Request Details

Route
/fast GET
Timestamp
Sep 22, 2026 9:30 PM
Duration
11.05 ms
Status
204
Response Size
1.9 KB
Error
No

Performance Breakdown

Database
75.5% (2 queries)
View Rendering
0.0%
Application Logic
24.5%
Other Operations
0.0%
Total Operations
3
Slowest Operation
21.0 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
Action
Database
0.0ms 11.3ms 22.5ms 33.8ms 45.0ms

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 * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 13 ms 117.7%
home#fast 11 ms 100.0%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 21 ms 190.1%