Request Details

Route
/error_prone GET
Timestamp
Sep 23, 2026 12:30 AM
Duration
58.36 ms
Status
201
Response Size
5.3 KB
Error
No

Performance Breakdown

Database
8.3% (3 queries)
View Rendering
20.0%
Application Logic
71.7%
Other Operations
0.0%
Total Operations
15
Slowest Operation
58.36 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 142.4ms 284.7ms 427.1ms 569.5ms

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... 13 ms 22.3%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 5 ms 8.6%
home/index 12 ms 20.6%
users/index 25 ms 42.8%
home#errors 58 ms 100.0%
home/index 27 ms 46.3%
home#errors 58 ms 100.0%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 29 ms 49.7%
home#errors 58 ms 100.0%
home/index 19 ms 32.6%
home#errors 58 ms 100.0%
posts/show 31 ms 53.1%
home#errors 58 ms 100.0%
home#errors 58 ms 100.0%
home#errors 58 ms 100.0%