Request Details

Route
/up GET
Timestamp
Sep 18, 2026 12:06 AM
Duration
10.0 ms
Status
204
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
30.9% (2 queries)
View Rendering
38.1%
Application Logic
30.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
27.0 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 24.3ms 48.5ms 72.8ms 97.0ms

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 > ? 26 ms 260.0%
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... 4 ms 40.0%
users/index 10 ms 100.0%
users/index 27 ms 270.0%
rails/health#show 10 ms 100.0%
rails/health#show 10 ms 100.0%
rails/health#show 10 ms 100.0%