Request Details

Route
/error_prone GET
Timestamp
Sep 22, 2026 3:44 AM
Duration
96.9 ms
Status
200
Response Size
6.5 KB
Error
No

Performance Breakdown

Database
27.1% (5 queries)
View Rendering
12.5%
Application Logic
60.4%
Other Operations
0.0%
Total Operations
10
Slowest Operation
96.9 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 80.2ms 160.4ms 240.6ms 320.8ms

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
layouts/application 19 ms 19.6%
home#errors 97 ms 100.0%
UPDATE posts SET view_count = view_count + ? WHERE published = ? 21 ms 21.7%
home/index 12 ms 12.4%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 25 ms 25.8%
home/index 9 ms 9.3%
home#errors 97 ms 100.0%
SELECT name FROM users 12 ms 12.4%
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... 28 ms 28.9%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 1 ms 1.0%