Request Details

Route
/api/v1/posts GET
Timestamp
Sep 10, 2026 9:30 PM
Duration
16.52 ms
Status
201
Response Size
18 KB
Error
No

Performance Breakdown

Database
59.8% (2 queries)
View Rendering
17.7%
Application Logic
22.5%
Other Operations
0.0%
Total Operations
4
Slowest Operation
28.0 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 18.4ms 36.8ms 55.1ms 73.5ms

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 ? 28 ms 169.5%
home/index 13 ms 78.7%
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... 16 ms 96.9%
api/v1/posts#index 17 ms 100.0%