Request Details

Route
/posts/:id PUT
Timestamp
Sep 11, 2026 2:02 AM
Duration
91.98 ms
Status
200
Response Size
10 KB
Error
No

Performance Breakdown

Database
11.2% (2 queries)
View Rendering
11.2%
Application Logic
77.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
91.98 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 118.5ms 237.0ms 355.4ms 473.9ms

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 * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 26 ms 28.3%
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... 27 ms 29.4%
posts#update 92 ms 100.0%
posts/show 21 ms 22.8%
posts#update 92 ms 100.0%
posts/show 32 ms 34.8%
posts#update 92 ms 100.0%
posts#update 92 ms 100.0%