Request Details

Route
/comments POST
Timestamp
Sep 22, 2026 10:08 PM
Duration
26.0 ms
Status
204
Response Size
17 KB
Error
No

Performance Breakdown

Database
33.1% (3 queries)
View Rendering
4.0%
Application Logic
62.9%
Other Operations
0.0%
Total Operations
7
Slowest Operation
27.0 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 31.0ms 62.0ms 93.0ms 124.0ms

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
DELETE FROM posts WHERE id = ? 8 ms 30.8%
comments#create 26 ms 100.0%
posts/show 5 ms 19.2%
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 23.1%
comments#create 26 ms 100.0%
SELECT name FROM users 27 ms 103.8%
comments#create 26 ms 100.0%