Request Details

Route
/up GET
Timestamp
Sep 22, 2026 8:07 AM
Duration
10.0 ms
Status
204
Response Size
100 Bytes
Error
No

Performance Breakdown

Database
47.1% (3 queries)
View Rendering
52.9%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
4
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
View
Database
0.0ms 17.5ms 35.0ms 52.5ms 70.0ms

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 (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... 6 ms 60.0%
home/index 37 ms 370.0%
SELECT name FROM users 12 ms 120.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 15 ms 150.0%