Request Details

Route
/up GET
Timestamp
Sep 12, 2026 10:31 AM
Duration
10.0 ms
Status
200
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
65.5% (5 queries)
View Rendering
28.7%
Application Logic
5.8%
Other Operations
0.0%
Total Operations
8
Slowest Operation
37.0 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 42.8ms 85.5ms 128.3ms 171.0ms

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 * FROM posts WHERE created_at > ? 29 ms 290.0%
SELECT * FROM posts WHERE created_at > ? 17 ms 170.0%
rails/health#show 10 ms 100.0%
SELECT name FROM users 32 ms 320.0%
layouts/application 37 ms 370.0%
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 > ? 21 ms 210.0%
posts/show 12 ms 120.0%
DELETE FROM comments WHERE created_at < ? 13 ms 130.0%