Request Details

Route
/api/v1/users GET
Timestamp
Sep 22, 2026 4:23 AM
Duration
82.94 ms
Status
200
Response Size
2.8 KB
Error
No

Performance Breakdown

Database
21.3% (4 queries)
View Rendering
17.7%
Application Logic
61.0%
Other Operations
0.0%
Total Operations
8
Slowest Operation
82.94 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 68.0ms 135.9ms 203.9ms 271.9ms

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
home/index 28 ms 33.8%
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... 29 ms 35.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 2 ms 2.4%
SELECT * FROM posts WHERE created_at > ? 9 ms 10.9%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 18 ms 21.7%
api/v1/users#index 83 ms 100.0%
users/index 20 ms 24.1%
api/v1/users#index 83 ms 100.0%