Request Details

Route
/posts/:id PUT
Timestamp
Sep 09, 2026 9:52 AM
Duration
54.3 ms
Status
201
Response Size
7.3 KB
Error
No

Performance Breakdown

Database
51.8% (2 queries)
View Rendering
48.2%
Application Logic
0.0%
Other Operations
0.0%
Total Operations
5
Slowest Operation
35.0 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
View
Database
0.0ms 27.5ms 55.0ms 82.5ms 110.0ms

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
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... 35 ms 64.5%
posts/show 8 ms 14.7%
posts/show 25 ms 46.0%
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 > ? 22 ms 40.5%
users/index 20 ms 36.8%