Request Details

Route
/error_prone GET
Timestamp
Sep 09, 2026 7:45 PM
Duration
54.24 ms
Status
204
Response Size
1.2 KB
Error
No

Performance Breakdown

Database
28.2% (3 queries)
View Rendering
0.0%
Application Logic
71.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
54.24 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 56.7ms 113.4ms 170.0ms 226.7ms

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 * FROM users WHERE id = ? 32 ms 59.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 27 ms 49.8%
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... 5 ms 9.2%
home#errors 54 ms 100.0%
home#errors 54 ms 100.0%
home#errors 54 ms 100.0%