Request Details

Route
/comments POST
Timestamp
Sep 09, 2026 6:46 AM
Duration
36.75 ms
Status
201
Response Size
4.8 KB
Error
No

Performance Breakdown

Database
6.0% (2 queries)
View Rendering
0.0%
Application Logic
94.0%
Other Operations
0.0%
Total Operations
8
Slowest Operation
36.75 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
Database
0.0ms 58.6ms 117.3ms 175.9ms 234.5ms

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
comments#create 37 ms 100.0%
comments#create 37 ms 100.0%
SELECT id, name FROM users WHERE email = ? 6 ms 16.3%
SELECT * FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id LEFT JOIN tags ON posts.id = tags.post_id LEFT JOIN categories ON posts.category_id = categories.id WHERE users.active = ? AND posts.publi... 8 ms 21.8%
comments#create 37 ms 100.0%
comments#create 37 ms 100.0%
comments#create 37 ms 100.0%
comments#create 37 ms 100.0%