Request Details

Route
/error_prone GET
Timestamp
Sep 12, 2026 9:36 PM
Duration
92.66 ms
Status
204
Response Size
2.2 KB
Error
No

Performance Breakdown

Database
7.8% (2 queries)
View Rendering
20.0%
Application Logic
72.2%
Other Operations
0.0%
Total Operations
9
Slowest Operation
92.66 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 96.2ms 192.5ms 288.7ms 385.0ms

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
users/index 22 ms 23.7%
posts/show 11 ms 11.9%
users/index 16 ms 17.3%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 22 ms 23.7%
posts/show 28 ms 30.2%
home#errors 93 ms 100.0%
home#errors 93 ms 100.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 8 ms 8.6%
home#errors 93 ms 100.0%