Request Details

Route
/comments POST
Timestamp
Sep 10, 2026 1:20 AM
Duration
116.43 ms
Status
200
Response Size
3.2 KB
Error
No

Performance Breakdown

Database
6.7% (2 queries)
View Rendering
8.7%
Application Logic
84.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
116.43 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 137.7ms 275.4ms 413.0ms 550.7ms

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
comments#create 116 ms 100.0%
comments#create 116 ms 100.0%
comments#create 116 ms 100.0%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 6 ms 5.2%
posts/show 26 ms 22.3%
comments#create 116 ms 100.0%
home/index 22 ms 18.9%
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 > ? 31 ms 26.6%