Request Details

Route
/api/v1/users GET
Timestamp
Sep 17, 2026 5:57 PM
Duration
16.91 ms
Status
204
Response Size
9.6 KB
Error
No

Performance Breakdown

Database
12.4% (1 query)
View Rendering
26.2%
Application Logic
61.5%
Other Operations
0.0%
Total Operations
8
Slowest Operation
30.0 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 34.4ms 68.8ms 103.2ms 137.5ms

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
api/v1/users#index 17 ms 100.0%
api/v1/users#index 17 ms 100.0%
home/index 30 ms 177.4%
api/v1/users#index 17 ms 100.0%
api/v1/users#index 17 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... 17 ms 100.5%
api/v1/users#index 17 ms 100.0%
posts/show 6 ms 35.5%