Request Details

Route
/fast GET
Timestamp
Sep 23, 2026 1:24 AM
Duration
10.0 ms
Status
200
Response Size
1.3 KB
Error
No

Performance Breakdown

Database
74.4% (2 queries)
View Rendering
0.0%
Application Logic
25.6%
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
Database
0.0ms 9.8ms 19.5ms 29.3ms 39.0ms

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... 28 ms 280.0%
home#fast 10 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 1 ms 10.0%