Request Details

Route
/comments POST
Timestamp
Sep 23, 2026 2:55 AM
Duration
25.86 ms
Status
204
Response Size
23 KB
Error
No

Performance Breakdown

Database
45.3% (3 queries)
View Rendering
30.2%
Application Logic
24.4%
Other Operations
0.0%
Total Operations
6
Slowest Operation
25.86 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 26.5ms 52.9ms 79.4ms 105.9ms

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
home/index 19 ms 73.5%
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 > ? 19 ms 73.5%
layouts/application 13 ms 50.3%
SELECT * FROM posts WHERE created_at > ? 25 ms 96.7%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 4 ms 15.5%
comments#create 26 ms 100.0%