Request Details

Route
/up GET
Timestamp
Sep 11, 2026 7:42 AM
Duration
10.0 ms
Status
200
Response Size
168 Bytes
Error
No

Performance Breakdown

Database
53.9% (4 queries)
View Rendering
39.6%
Application Logic
6.5%
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 38.5ms 77.0ms 115.5ms 154.0ms

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... 7 ms 70.0%
users/index 6 ms 60.0%
home/index 40 ms 400.0%
SELECT name FROM users 6 ms 60.0%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 35 ms 350.0%
rails/health#show 10 ms 100.0%
SELECT COUNT(*) FROM comments WHERE post_id = ? 35 ms 350.0%
users/index 15 ms 150.0%