Request Details

Route
/up GET
Timestamp
Sep 22, 2026 9:42 PM
Duration
10.0 ms
Status
204
Response Size
116 Bytes
Error
No

Performance Breakdown

Database
12.0% (2 queries)
View Rendering
28.0%
Application Logic
60.0%
Other Operations
0.0%
Total Operations
6
Slowest Operation
14.0 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 12.5ms 25.0ms 37.5ms 50.0ms

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
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 30.0%
layouts/application 14 ms 140.0%
rails/health#show 10 ms 100.0%
rails/health#show 10 ms 100.0%
rails/health#show 10 ms 100.0%
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 > ? 3 ms 30.0%