Request Details

Route
/posts POST
Timestamp
Sep 15, 2026 1:32 PM
Duration
11.98 ms
Status
200
Response Size
12 KB
Error
No

Performance Breakdown

Database
61.8% (1 query)
View Rendering
16.4%
Application Logic
21.8%
Other Operations
0.0%
Total Operations
3
Slowest Operation
34.0 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 13.7ms 27.5ms 41.2ms 55.0ms

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 * FROM (SELECT users.id, users.name, users.email, COUNT(posts.id) as post_count FROM users LEFT JOIN posts ON users.id = posts.user_id WHERE users.active = ? GROUP BY users.id) as user_posts JOIN (SELECT user_id, COUNT(*) as comment_count FROM c... 34 ms 283.8%
posts#create 12 ms 100.0%
posts/show 9 ms 75.1%