Request Details

Route
/api/v1/posts GET
Timestamp
Sep 12, 2026 3:30 AM
Duration
24.03 ms
Status
201
Response Size
17 KB
Error
No

Performance Breakdown

Database
25.0% (3 queries)
View Rendering
46.4%
Application Logic
28.6%
Other Operations
0.0%
Total Operations
7
Slowest Operation
40.0 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 42.0ms 84.0ms 126.0ms 168.1ms

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
api/v1/posts#index 24 ms 100.0%
layouts/application 40 ms 166.4%
home/index 38 ms 158.1%
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... 15 ms 62.4%
api/v1/posts#index 24 ms 100.0%
SELECT name FROM users 3 ms 12.5%
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... 24 ms 99.9%