Request Details

Route
/posts/:id GET
Timestamp
Sep 09, 2026 11:13 AM
Duration
24.37 ms
Status
201
Response Size
15 KB
Error
No

Performance Breakdown

Database
40.8% (3 queries)
View Rendering
36.1%
Application Logic
23.1%
Other Operations
0.0%
Total Operations
6
Slowest Operation
24.37 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 26.3ms 52.7ms 79.0ms 105.4ms

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
UPDATE posts SET view_count = view_count + ? WHERE published = ? 23 ms 94.4%
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 > ? 10 ms 41.0%
users/index 14 ms 57.5%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 10 ms 41.0%
posts#show 24 ms 100.0%
users/index 24 ms 98.5%