Request Details

Route
/fast GET
Timestamp
Sep 11, 2026 12:56 AM
Duration
10.0 ms
Status
204
Response Size
1.2 KB
Error
No

Performance Breakdown

Database
11.4% (1 query)
View Rendering
88.6%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
2
Slowest Operation
31.0 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 8.8ms 17.5ms 26.3ms 35.0ms

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 users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 4 ms 40.0%
users/index 31 ms 310.0%