Request Details

Route
/fast GET
Timestamp
Sep 22, 2026 3:14 PM
Duration
22.93 ms
Status
201
Response Size
1.1 KB
Error
No

Performance Breakdown

Database
34.6% (1 query)
View Rendering
35.9%
Application Logic
29.4%
Other Operations
0.0%
Total Operations
3
Slowest Operation
28.0 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 19.5ms 39.0ms 58.4ms 77.9ms

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 > ? 27 ms 117.7%
home/index 28 ms 122.1%
home#fast 23 ms 100.0%