Request Details

Route
/posts/:id PUT
Timestamp
Sep 15, 2026 9:36 AM
Duration
88.4 ms
Status
200
Response Size
4.4 KB
Error
No

Performance Breakdown

Database
2.0% (1 query)
View Rendering
11.7%
Application Logic
86.3%
Other Operations
0.0%
Total Operations
4
Slowest Operation
88.4 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 51.2ms 102.4ms 153.6ms 204.8ms

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 24 ms 27.2%
posts#update 88 ms 100.0%
posts#update 88 ms 100.0%
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... 4 ms 4.5%