Request Details

Route
/slow GET
Timestamp
Sep 11, 2026 6:39 AM
Duration
471.13 ms
Status
200
Response Size
120 KB
Error
No

Performance Breakdown

Database
9.2% (9 queries)
View Rendering
5.5%
Application Logic
85.3%
Other Operations
0.0%
Total Operations
18
Slowest Operation
471.13 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 552.4ms 1104.8ms 1657.1ms 2209.5ms

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#slow 471 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 27 ms 5.7%
users/index 33 ms 7.0%
home#slow 471 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 33 ms 7.0%
posts/show 28 ms 5.9%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 5 ms 1.1%
SELECT id, name, email FROM users WHERE id = ? 11 ms 2.3%
users/index 23 ms 4.9%
home/index 5 ms 1.1%
posts/show 33 ms 7.0%
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... 24 ms 5.1%
SELECT * FROM posts WHERE created_at > ? 21 ms 4.5%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 33 ms 7.0%
SELECT * FROM users WHERE id = ? 31 ms 6.6%
home#slow 471 ms 100.0%
home#slow 471 ms 100.0%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 18 ms 3.8%