Request Details

Route
/slow GET
Timestamp
Sep 22, 2026 11:33 AM
Duration
227.04 ms
Status
201
Response Size
140 KB
Error
No

Performance Breakdown

Database
10.0% (13 queries)
View Rendering
4.4%
Application Logic
85.6%
Other Operations
0.0%
Total Operations
29
Slowest Operation
227.04 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 663.1ms 1326.2ms 1989.3ms 2652.4ms

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 posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 21 ms 9.2%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 10 ms 4.4%
home#slow 227 ms 100.0%
home#slow 227 ms 100.0%
SELECT id, name, email FROM users WHERE id = ? 2 ms 0.9%
layouts/application 30 ms 13.2%
home/index 16 ms 7.0%
home#slow 227 ms 100.0%
home#slow 227 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 32 ms 14.1%
home/index 29 ms 12.8%
SELECT * FROM users WHERE id = ? 23 ms 10.1%
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... 30 ms 13.2%
SELECT * FROM users WHERE id = ? 28 ms 12.3%
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... 31 ms 13.7%
posts/show 18 ms 7.9%
users/index 13 ms 5.7%
home#slow 227 ms 100.0%
home#slow 227 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 14 ms 6.2%
SELECT * FROM posts WHERE created_at > ? 16 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... 34 ms 15.0%
home#slow 227 ms 100.0%
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... 11 ms 4.8%
home#slow 227 ms 100.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 12 ms 5.3%
home#slow 227 ms 100.0%
home/index 12 ms 5.3%
home#slow 227 ms 100.0%