Request Details

Route
/health GET
Timestamp
Sep 22, 2026 4:22 PM
Duration
10.0 ms
Status
204
Response Size
156 Bytes
Error
No

Performance Breakdown

Database
33.0% (2 queries)
View Rendering
48.1%
Application Logic
18.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
32.0 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 26.5ms 53.0ms 79.5ms 106.0ms

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
layouts/application 16 ms 160.0%
users/index 19 ms 190.0%
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... 32 ms 320.0%
health#index 10 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... 3 ms 30.0%
health#index 10 ms 100.0%
posts/show 16 ms 160.0%