Request Details

Route
/posts/:id PUT
Timestamp
Sep 10, 2026 4:36 AM
Duration
254.03 ms
Status
204
Response Size
13 KB
Error
No

Performance Breakdown

Database
6.0% (2 queries)
View Rendering
21.2%
Application Logic
72.8%
Other Operations
0.0%
Total Operations
7
Slowest Operation
254.03 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 87.3ms 174.5ms 261.8ms 349.0ms

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
posts/show 6 ms 2.4%
home/index 32 ms 12.6%
posts/show 24 ms 9.4%
SELECT users.*, posts.*, comments.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, AVG(posts.view_count) as avg_views, MAX(comments.created_at) as latest_comment FROM users LEFT JOIN posts ON users.id = posts.use... 5 ms 2.0%
posts#update 254 ms 100.0%
posts/show 12 ms 4.7%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 16 ms 6.3%