Request Details

Route
/users/:id PUT
Timestamp
Sep 09, 2026 10:23 PM
Duration
55.76 ms
Status
204
Response Size
3.2 KB
Error
No

Performance Breakdown

Database
10.2% (1 query)
View Rendering
58.0%
Application Logic
31.7%
Other Operations
0.0%
Total Operations
5
Slowest Operation
55.76 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 43.9ms 87.9ms 131.8ms 175.8ms

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 29 ms 52.0%
users#update 56 ms 100.0%
posts/show 36 ms 64.6%
home/index 37 ms 66.4%
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... 18 ms 32.3%