Request Details

Route
/api/v1/users GET
Timestamp
Sep 23, 2026 3:19 AM
Duration
30.48 ms
Status
201
Response Size
16 KB
Error
No

Performance Breakdown

Database
25.7% (3 queries)
View Rendering
22.2%
Application Logic
52.1%
Other Operations
0.0%
Total Operations
8
Slowest Operation
30.48 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 87.7ms 131.6ms 175.4ms

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 11 ms 36.1%
api/v1/users#index 30 ms 100.0%
layouts/application 28 ms 91.9%
api/v1/users#index 30 ms 100.0%
SELECT * FROM posts WHERE created_at > ? 12 ms 39.4%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 8 ms 26.2%
api/v1/users#index 30 ms 100.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 25 ms 82.0%