Request Details

Route
/comments POST
Timestamp
Sep 21, 2026 9:56 AM
Duration
16.32 ms
Status
204
Response Size
19 KB
Error
No

Performance Breakdown

Database
24.8% (1 query)
View Rendering
39.9%
Application Logic
35.2%
Other Operations
0.0%
Total Operations
4
Slowest Operation
37.0 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 23.2ms 46.3ms 69.5ms 92.6ms

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 16 ms 100.0%
comments#create 16 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 23 ms 140.9%
users/index 37 ms 226.7%