Request Details

Route
/posts/:id GET
Timestamp
Sep 12, 2026 12:53 PM
Duration
18.28 ms
Status
201
Response Size
12 KB
Error
No

Performance Breakdown

Database
17.1% (2 queries)
View Rendering
53.0%
Application Logic
29.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
38.0 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 30.6ms 61.3ms 91.9ms 122.6ms

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
posts/show 38 ms 207.9%
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... 6 ms 32.8%
posts#show 18 ms 100.0%
posts#show 18 ms 100.0%
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... 15 ms 82.1%
posts/show 27 ms 147.7%