Request Details

Route
/comments POST
Timestamp
Sep 20, 2026 5:03 PM
Duration
16.77 ms
Status
204
Response Size
19 KB
Error
No

Performance Breakdown

Database
15.3% (1 query)
View Rendering
61.3%
Application Logic
23.4%
Other Operations
0.0%
Total Operations
4
Slowest Operation
35.0 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 17.9ms 35.9ms 53.8ms 71.8ms

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
home/index 35 ms 208.7%
comments#create 17 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 11 ms 65.6%
layouts/application 9 ms 53.7%