Request Details

Route
/comments POST
Timestamp
Sep 22, 2026 10:12 PM
Duration
32.79 ms
Status
201
Response Size
19 KB
Error
No

Performance Breakdown

Database
16.6% (1 query)
View Rendering
31.6%
Application Logic
51.8%
Other Operations
0.0%
Total Operations
4
Slowest Operation
40.0 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 31.6ms 63.3ms 94.9ms 126.6ms

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
comments#create 33 ms 100.0%
comments#create 33 ms 100.0%
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... 21 ms 64.0%
home/index 40 ms 122.0%