Request Details

Route
/posts/:id PUT
Timestamp
Sep 14, 2026 8:52 AM
Duration
15.92 ms
Status
204
Response Size
16 KB
Error
No

Performance Breakdown

Database
48.2% (3 queries)
View Rendering
42.0%
Application Logic
9.8%
Other Operations
0.0%
Total Operations
6
Slowest Operation
39.0 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 40.5ms 81.0ms 121.4ms 161.9ms

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 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 > ? 34 ms 213.6%
layouts/application 39 ms 245.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 25 ms 157.0%
posts#update 16 ms 100.0%
users/index 29 ms 182.2%
SELECT name FROM users 19 ms 119.4%