Request Details

Route
/comments POST
Timestamp
Sep 12, 2026 4:55 AM
Duration
11.47 ms
Status
201
Response Size
16 KB
Error
No

Performance Breakdown

Database
31.7% (2 queries)
View Rendering
55.8%
Application Logic
12.5%
Other Operations
0.0%
Total Operations
6
Slowest Operation
30.0 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 22.9ms 45.7ms 68.6ms 91.5ms

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 11 ms 100.0%
users/index 30 ms 261.6%
home/index 12 ms 104.6%
users/index 9 ms 78.5%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 28 ms 244.1%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 1 ms 8.7%