Request Details

Route
/users POST
Timestamp
Sep 10, 2026 3:54 AM
Duration
32.26 ms
Status
201
Response Size
13 KB
Error
No

Performance Breakdown

Database
20.3% (3 queries)
View Rendering
63.8%
Application Logic
15.9%
Other Operations
0.0%
Total Operations
8
Slowest Operation
40.0 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 50.6ms 101.1ms 151.7ms 202.3ms

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
posts/show 35 ms 108.5%
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 > ? 7 ms 21.7%
users/index 18 ms 55.8%
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... 11 ms 34.1%
DELETE FROM comments WHERE created_at < ? 23 ms 71.3%
users#create 32 ms 100.0%
layouts/application 36 ms 111.6%
layouts/application 40 ms 124.0%