Request Details

Route
/api/v1/users GET
Timestamp
Sep 11, 2026 1:39 PM
Duration
36.37 ms
Status
200
Response Size
15 KB
Error
No

Performance Breakdown

Database
38.7% (4 queries)
View Rendering
19.9%
Application Logic
41.4%
Other Operations
0.0%
Total Operations
8
Slowest Operation
36.37 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 43.9ms 87.9ms 131.8ms 175.7ms

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 6 ms 16.5%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 3 ms 8.2%
api/v1/users#index 36 ms 100.0%
api/v1/users#index 36 ms 100.0%
users/index 29 ms 79.7%
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... 35 ms 96.2%
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... 29 ms 79.7%
DELETE FROM comments WHERE created_at < ? 1 ms 2.7%