Request Details

Route
/api/v1/posts GET
Timestamp
Sep 14, 2026 11:32 AM
Duration
22.04 ms
Status
200
Response Size
19 KB
Error
No

Performance Breakdown

Database
38.0% (2 queries)
View Rendering
21.5%
Application Logic
40.5%
Other Operations
0.0%
Total Operations
7
Slowest Operation
34.0 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 40.8ms 81.6ms 122.3ms 163.1ms

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 22 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... 28 ms 127.0%
SELECT name FROM users 34 ms 154.3%
layouts/application 14 ms 63.5%
api/v1/posts#index 22 ms 100.0%
posts/show 21 ms 95.3%
api/v1/posts#index 22 ms 100.0%