Request Details

Route
/error_prone GET
Timestamp
Sep 12, 2026 3:41 AM
Duration
76.81 ms
Status
200
Response Size
3.9 KB
Error
No

Performance Breakdown

Database
33.1% (9 queries)
View Rendering
14.2%
Application Logic
52.7%
Other Operations
0.0%
Total Operations
14
Slowest Operation
76.81 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 109.4ms 218.7ms 328.1ms 437.4ms

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
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 4 ms 5.2%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 6 ms 7.8%
home#errors 77 ms 100.0%
SELECT name FROM users 3 ms 3.9%
home/index 37 ms 48.2%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 20 ms 26.0%
home#errors 77 ms 100.0%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 27 ms 35.2%
home#errors 77 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 12 ms 15.6%
SELECT * FROM users WHERE id = ? 31 ms 40.4%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 11 ms 14.3%
users/index 25 ms 32.5%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 31 ms 40.4%