Request Details

Route
/api_complex GET
Timestamp
Sep 16, 2026 12:53 PM
Duration
316.56 ms
Status
201
Response Size
71 KB
Error
No

Performance Breakdown

Database
4.2% (9 queries)
View Rendering
4.2%
Application Logic
91.6%
Other Operations
0.0%
Total Operations
25
Slowest Operation
316.56 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 863.6ms 1727.3ms 2590.9ms 3454.6ms

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#api_complex 317 ms 100.0%
home#api_complex 317 ms 100.0%
posts/show 36 ms 11.4%
layouts/application 7 ms 2.2%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 12 ms 3.8%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 7 ms 2.2%
SELECT posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 21 ms 6.6%
home#api_complex 317 ms 100.0%
home#api_complex 317 ms 100.0%
home#api_complex 317 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 8 ms 2.5%
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... 13 ms 4.1%
home#api_complex 317 ms 100.0%
home#api_complex 317 ms 100.0%
home#api_complex 317 ms 100.0%
home/index 12 ms 3.8%
posts/show 36 ms 11.4%
SELECT * FROM posts WHERE created_at > ? 22 ms 6.9%
home#api_complex 317 ms 100.0%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 19 ms 6.0%
home#api_complex 317 ms 100.0%
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... 31 ms 9.8%
posts/show 40 ms 12.6%
posts/show 13 ms 4.1%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 12 ms 3.8%