Request Details

Route
/up GET
Timestamp
Sep 09, 2026 12:33 PM
Duration
10.0 ms
Status
200
Response Size
167 Bytes
Error
No

Performance Breakdown

Database
52.4% (4 queries)
View Rendering
41.6%
Application Logic
6.0%
Other Operations
0.0%
Total Operations
7
Slowest Operation
36.0 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 41.5ms 83.0ms 124.5ms 166.0ms

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 comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 25 ms 250.0%
rails/health#show 10 ms 100.0%
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... 28 ms 280.0%
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... 18 ms 180.0%
home/index 36 ms 360.0%
SELECT * FROM posts WHERE created_at > ? 16 ms 160.0%
layouts/application 33 ms 330.0%