Request Details

Route
/posts/:id GET
Timestamp
Sep 12, 2026 4:17 AM
Duration
42.62 ms
Status
201
Response Size
9.8 KB
Error
No

Performance Breakdown

Database
15.0% (2 queries)
View Rendering
58.3%
Application Logic
26.7%
Other Operations
0.0%
Total Operations
6
Slowest Operation
42.62 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 39.9ms 79.8ms 119.7ms 159.6ms

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
users/index 36 ms 84.5%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 14 ms 32.8%
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... 10 ms 23.5%
posts#show 43 ms 100.0%
posts/show 30 ms 70.4%
users/index 27 ms 63.3%