Request Details

Route
/error_prone GET
Timestamp
Sep 10, 2026 3:01 AM
Duration
292.1 ms
Status
204
Response Size
3.4 KB
Error
No

Performance Breakdown

Database
11.0% (4 queries)
View Rendering
1.8%
Application Logic
87.2%
Other Operations
0.0%
Total Operations
7
Slowest Operation
292.1 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 167.6ms 335.1ms 502.7ms 670.2ms

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 12 ms 4.1%
home#errors 292 ms 100.0%
home#errors 292 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 25 ms 8.6%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 5 ms 1.7%
DELETE FROM posts WHERE id = ? 24 ms 8.2%
SELECT posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 20 ms 6.8%