Request Details

Route
/fast GET
Timestamp
Sep 22, 2026 10:28 PM
Duration
10.0 ms
Status
204
Response Size
908 Bytes
Error
No

Performance Breakdown

Database
55.3% (1 query)
View Rendering
18.4%
Application Logic
26.3%
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
View
Database
0.0ms 9.5ms 19.0ms 28.5ms 38.0ms

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 10 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 21 ms 210.0%
users/index 7 ms 70.0%