Request Details

Route
/posts/:id PUT
Timestamp
Sep 23, 2026 3:18 AM
Duration
40.74 ms
Status
204
Response Size
22 KB
Error
No

Performance Breakdown

Database
53.3% (4 queries)
View Rendering
13.7%
Application Logic
32.9%
Other Operations
0.0%
Total Operations
6
Slowest Operation
40.74 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 30.9ms 61.9ms 92.8ms 123.7ms

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 DISTINCT users.*, posts.*, comments.* FROM users, posts, comments WHERE users.id = posts.user_id AND posts.id = comments.post_id AND users.created_at > ? AND posts.created_at > ? AND comments.created_at > ? 8 ms 19.6%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 20 ms 49.1%
SELECT * FROM posts WHERE created_at > ? 34 ms 83.5%
posts#update 41 ms 100.0%
users/index 17 ms 41.7%
SELECT users.* FROM users LEFT JOIN posts ON users.id = posts.user_id LEFT JOIN comments ON posts.id = comments.post_id WHERE users.active = ? AND posts.published = ? AND comments.approved = ? OR users.created_at > ? AND posts.created_at > ? AND commen... 4 ms 9.8%