Request Details

Route
/comments POST
Timestamp
Sep 24, 2026 11:26 AM
Duration
50.39 ms
Status
200
Response Size
9.5 KB
Error
No

Performance Breakdown

Database
27.6% (2 queries)
View Rendering
48.0%
Application Logic
24.4%
Other Operations
0.0%
Total Operations
6
Slowest Operation
50.39 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 51.6ms 103.2ms 154.8ms 206.4ms

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
users/index 33 ms 65.5%
users/index 38 ms 75.4%
SELECT name FROM users 22 ms 43.7%
comments#create 50 ms 100.0%
SELECT DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 35 ms 69.5%
home/index 28 ms 55.6%