Request Details

Route
/users POST
Timestamp
Sep 22, 2026 4:25 PM
Duration
49.15 ms
Status
201
Response Size
5.9 KB
Error
No

Performance Breakdown

Database
6.0% (2 queries)
View Rendering
30.2%
Application Logic
63.7%
Other Operations
0.0%
Total Operations
7
Slowest Operation
49.15 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 57.9ms 115.7ms 173.6ms 231.4ms

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
users#create 49 ms 100.0%
users#create 49 ms 100.0%
posts/show 39 ms 79.4%
users#create 49 ms 100.0%
users/index 31 ms 63.1%
SELECT * FROM posts WHERE created_at > ? 13 ms 26.5%
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... 1 ms 2.0%