Request Details

Route
/comments POST
Timestamp
Sep 14, 2026 10:53 AM
Duration
31.71 ms
Status
204
Response Size
6.3 KB
Error
No

Performance Breakdown

Database
30.4% (2 queries)
View Rendering
43.5%
Application Logic
26.1%
Other Operations
0.0%
Total Operations
5
Slowest Operation
39.0 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 30.4ms 60.9ms 91.3ms 121.7ms

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
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 32 ms 100.9%
users/index 14 ms 44.2%
posts/show 39 ms 123.0%
comments#create 32 ms 100.0%
SELECT * FROM posts WHERE created_at > ? 5 ms 15.8%