Request Details

Route
/up GET
Timestamp
Sep 23, 2026 11:23 AM
Duration
10.0 ms
Status
204
Response Size
118 Bytes
Error
No

Performance Breakdown

Database
18.6% (1 query)
View Rendering
53.8%
Application Logic
27.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
40.0 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 36.3ms 72.5ms 108.8ms 145.0ms

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
rails/health#show 10 ms 100.0%
rails/health#show 10 ms 100.0%
layouts/application 21 ms 210.0%
users/index 40 ms 400.0%
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... 27 ms 270.0%
layouts/application 17 ms 170.0%
rails/health#show 10 ms 100.0%
rails/health#show 10 ms 100.0%