Request Details

Route
/posts/:id PUT
Timestamp
Sep 09, 2026 7:01 PM
Duration
57.62 ms
Status
201
Response Size
11 KB
Error
No

Performance Breakdown

Database
23.3% (5 queries)
View Rendering
43.1%
Application Logic
33.6%
Other Operations
0.0%
Total Operations
8
Slowest Operation
57.62 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 42.9ms 85.8ms 128.7ms 171.6ms

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 users WHERE id = ? 7 ms 12.1%
SELECT id, name FROM users WHERE email = ? 8 ms 13.9%
users/index 35 ms 60.7%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 2 ms 3.5%
layouts/application 39 ms 67.7%
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... 16 ms 27.8%
posts#update 58 ms 100.0%
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... 7 ms 12.1%