Request Details

Route
/up GET
Timestamp
Sep 10, 2026 9:41 AM
Duration
10.0 ms
Status
200
Response Size
118 Bytes
Error
No

Performance Breakdown

Database
50.0% (3 queries)
View Rendering
42.2%
Application Logic
7.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
33.0 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 32.0ms 64.0ms 96.0ms 128.0ms

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
home/index 12 ms 120.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 26 ms 260.0%
rails/health#show 10 ms 100.0%
layouts/application 24 ms 240.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 5 ms 50.0%
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... 33 ms 330.0%
posts/show 18 ms 180.0%