Request Details

Route
/api/v1/users GET
Timestamp
Sep 09, 2026 6:36 PM
Duration
63.23 ms
Status
204
Response Size
16 KB
Error
No

Performance Breakdown

Database
9.4% (2 queries)
View Rendering
61.0%
Application Logic
29.7%
Other Operations
0.0%
Total Operations
8
Slowest Operation
63.23 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 53.3ms 106.6ms 159.9ms 213.2ms

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
users/index 24 ms 38.0%
layouts/application 27 ms 42.7%
home/index 21 ms 33.2%
api/v1/users#index 63 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... 1 ms 1.6%
posts/show 25 ms 39.5%
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... 19 ms 30.1%
posts/show 33 ms 52.2%