Request Details

Route
/error_prone GET
Timestamp
Sep 16, 2026 1:55 PM
Duration
22.34 ms
Status
201
Response Size
4.5 KB
Error
No

Performance Breakdown

Database
47.3% (4 queries)
View Rendering
19.7%
Application Logic
33.0%
Other Operations
0.0%
Total Operations
9
Slowest Operation
35.0 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 50.8ms 101.5ms 152.3ms 203.0ms

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
SELECT id, name FROM users WHERE email = ? 14 ms 62.7%
home#errors 22 ms 100.0%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 30 ms 134.3%
home/index 35 ms 156.6%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 34 ms 152.2%
SELECT name FROM users 18 ms 80.6%
posts/show 5 ms 22.4%
home#errors 22 ms 100.0%
home#errors 22 ms 100.0%