Request Details

Route
/api/v1/users GET
Timestamp
Sep 22, 2026 10:20 PM
Duration
89.47 ms
Status
204
Response Size
11 KB
Error
No

Performance Breakdown

Database
0.7% (1 query)
View Rendering
35.4%
Application Logic
63.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
89.47 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 70.0ms 140.0ms 210.0ms 279.9ms

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 (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... 2 ms 2.2%
api/v1/users#index 89 ms 100.0%
users/index 16 ms 17.9%
api/v1/users#index 89 ms 100.0%
posts/show 19 ms 21.2%
home/index 26 ms 29.1%
posts/show 38 ms 42.5%