Request Details

Route
/health GET
Timestamp
Sep 10, 2026 3:50 AM
Duration
10.0 ms
Status
204
Response Size
201 Bytes
Error
No

Performance Breakdown

Database
8.1% (1 query)
View Rendering
78.4%
Application Logic
13.5%
Other Operations
0.0%
Total Operations
8
Slowest Operation
33.0 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 37.0ms 74.0ms 111.0ms 148.0ms

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
health#index 10 ms 100.0%
posts/show 21 ms 210.0%
layouts/application 33 ms 330.0%
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... 12 ms 120.0%
users/index 18 ms 180.0%
posts/show 25 ms 250.0%
health#index 10 ms 100.0%
users/index 19 ms 190.0%