Request Details

Route
/posts/:id GET
Timestamp
Sep 22, 2026 8:43 PM
Duration
58.08 ms
Status
204
Response Size
5.1 KB
Error
No

Performance Breakdown

Database
19.0% (2 queries)
View Rendering
12.2%
Application Logic
68.9%
Other Operations
0.0%
Total Operations
8
Slowest Operation
58.08 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 84.3ms 168.7ms 253.0ms 337.3ms

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
users/index 14 ms 24.1%
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... 32 ms 55.1%
layouts/application 27 ms 46.5%
posts#show 58 ms 100.0%
posts#show 58 ms 100.0%
posts#show 58 ms 100.0%
SELECT * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 32 ms 55.1%
posts#show 58 ms 100.0%