Request Details

Route
/users POST
Timestamp
Sep 22, 2026 3:57 PM
Duration
54.26 ms
Status
200
Response Size
11 KB
Error
No

Performance Breakdown

Database
28.3% (3 queries)
View Rendering
32.9%
Application Logic
38.8%
Other Operations
0.0%
Total Operations
8
Slowest Operation
54.26 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 69.9ms 139.8ms 209.6ms 279.5ms

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 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 > ? 23 ms 42.4%
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... 28 ms 51.6%
users/index 32 ms 59.0%
users#create 54 ms 100.0%
layouts/application 40 ms 73.7%
posts/show 20 ms 36.9%
users#create 54 ms 100.0%
SELECT name FROM users 28 ms 51.6%