Request Details

Route
/error_prone GET
Timestamp
Sep 23, 2026 4:23 AM
Duration
31.32 ms
Status
201
Response Size
4.5 KB
Error
No

Performance Breakdown

Database
34.4% (4 queries)
View Rendering
8.2%
Application Logic
57.4%
Other Operations
0.0%
Total Operations
9
Slowest Operation
31.32 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 54.6ms 109.1ms 163.7ms 218.3ms

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 31 ms 100.0%
SELECT posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 23 ms 73.4%
SELECT COUNT(*) FROM comments WHERE post_id = ? 5 ms 16.0%
home#errors 31 ms 100.0%
layouts/application 18 ms 57.5%
home#errors 31 ms 100.0%
home#errors 31 ms 100.0%
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... 16 ms 51.1%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 31 ms 99.0%