Request Details

Route
/error_prone GET
Timestamp
Sep 18, 2026 1:16 PM
Duration
23.94 ms
Status
200
Response Size
8.9 KB
Error
No

Performance Breakdown

Database
21.8% (3 queries)
View Rendering
38.0%
Application Logic
40.2%
Other Operations
0.0%
Total Operations
9
Slowest Operation
34.0 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 44.7ms 89.4ms 134.1ms 178.8ms

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
layouts/application 19 ms 79.4%
home#errors 24 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 26 ms 108.6%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 9 ms 37.6%
layouts/application 15 ms 62.7%
home/index 34 ms 142.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 4 ms 16.7%
home#errors 24 ms 100.0%
home#errors 24 ms 100.0%