Request Details

Route
/api/v1/posts GET
Timestamp
Sep 10, 2026 9:16 PM
Duration
43.52 ms
Status
200
Response Size
9.5 KB
Error
No

Performance Breakdown

Database
23.3% (3 queries)
View Rendering
53.1%
Application Logic
23.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
43.52 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 46.1ms 92.3ms 138.4ms 184.5ms

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
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 10 ms 23.0%
users/index 38 ms 87.3%
api/v1/posts#index 44 ms 100.0%
home/index 35 ms 80.4%
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... 17 ms 39.1%
users/index 17 ms 39.1%
posts/show 8 ms 18.4%
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... 16 ms 36.8%