Request Details

Route
/posts/:id PUT
Timestamp
Sep 19, 2026 7:05 AM
Duration
20.79 ms
Status
200
Response Size
9 KB
Error
No

Performance Breakdown

Database
18.1% (1 query)
View Rendering
41.5%
Application Logic
40.4%
Other Operations
0.0%
Total Operations
6
Slowest Operation
36.0 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 38.6ms 77.2ms 115.8ms 154.4ms

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
posts/show 36 ms 173.1%
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 134.7%
posts#update 21 ms 100.0%
posts#update 21 ms 100.0%
layouts/application 28 ms 134.7%
posts#update 21 ms 100.0%