Request Details

Route
/comments POST
Timestamp
Sep 15, 2026 11:39 AM
Duration
44.79 ms
Status
200
Response Size
16 KB
Error
No

Performance Breakdown

Database
23.4% (2 queries)
View Rendering
0.0%
Application Logic
76.6%
Other Operations
0.0%
Total Operations
5
Slowest Operation
44.79 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
Database
0.0ms 43.8ms 87.7ms 131.5ms 175.4ms

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
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... 29 ms 64.7%
comments#create 45 ms 100.0%
comments#create 45 ms 100.0%
comments#create 45 ms 100.0%
SELECT * FROM users WHERE id = ? 12 ms 26.8%