Request Details

Route
/comments POST
Timestamp
Sep 10, 2026 5:32 AM
Duration
106.72 ms
Status
204
Response Size
8.7 KB
Error
No

Performance Breakdown

Database
9.4% (2 queries)
View Rendering
19.4%
Application Logic
71.3%
Other Operations
0.0%
Total Operations
5
Slowest Operation
106.72 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 37.4ms 74.9ms 112.3ms 149.7ms

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
layouts/application 20 ms 18.7%
comments#create 107 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 > ? 5 ms 4.7%
home/index 9 ms 8.4%
UPDATE posts SET title = ?, content = ?, updated_at = ? WHERE id = ? 9 ms 8.4%