Request Details

Route
/health GET
Timestamp
Sep 15, 2026 6:22 AM
Duration
10.0 ms
Status
500
Response Size
2.9 KB
Error
Yes

Performance Breakdown

Database
52.3% (3 queries)
View Rendering
47.7%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
6
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 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
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 30 ms 300.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 3 ms 30.0%
layouts/application 5 ms 50.0%
layouts/application 37 ms 370.0%
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... 34 ms 340.0%
layouts/application 19 ms 190.0%