Request Details

Route
/error_prone GET
Timestamp
Sep 21, 2026 11:41 PM
Duration
62.18 ms
Status
204
Response Size
8.1 KB
Error
No

Performance Breakdown

Database
5.5% (3 queries)
View Rendering
16.1%
Application Logic
78.4%
Other Operations
0.0%
Total Operations
16
Slowest Operation
62.18 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 158.6ms 317.2ms 475.8ms 634.4ms

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
home#errors 62 ms 100.0%
home/index 19 ms 30.6%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 7 ms 11.3%
home/index 6 ms 9.6%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 18 ms 28.9%
users/index 13 ms 20.9%
home#errors 62 ms 100.0%
home#errors 62 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... 10 ms 16.1%
home#errors 62 ms 100.0%
posts/show 35 ms 56.3%
home#errors 62 ms 100.0%
home/index 29 ms 46.6%
home#errors 62 ms 100.0%
home#errors 62 ms 100.0%
home#errors 62 ms 100.0%