Request Details

Route
/fast GET
Timestamp
Sep 16, 2026 4:44 PM
Duration
17.97 ms
Status
200
Response Size
1.5 KB
Error
No

Performance Breakdown

Database
43.8% (1 query)
View Rendering
0.0%
Application Logic
56.2%
Other Operations
0.0%
Total Operations
2
Slowest Operation
17.97 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 8.0ms 16.0ms 24.0ms 32.0ms

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
home#fast 18 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 14 ms 77.9%