Request Details

Route
/posts/:id PUT
Timestamp
Sep 22, 2026 9:55 PM
Duration
50.52 ms
Status
200
Response Size
8.7 KB
Error
No

Performance Breakdown

Database
26.1% (2 queries)
View Rendering
22.0%
Application Logic
51.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
50.52 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 48.8ms 97.5ms 146.3ms 195.0ms

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
posts#update 51 ms 100.0%
posts#update 51 ms 100.0%
layouts/application 6 ms 11.9%
home/index 15 ms 29.7%
SELECT * FROM posts WHERE created_at > ? 23 ms 45.5%
users/index 22 ms 43.6%
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 55.4%