Request Details

Route
/posts/:id GET
Timestamp
Sep 18, 2026 6:12 AM
Duration
46.44 ms
Status
200
Response Size
11 KB
Error
No

Performance Breakdown

Database
51.1% (5 queries)
View Rendering
26.7%
Application Logic
22.2%
Other Operations
0.0%
Total Operations
8
Slowest Operation
46.44 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 52.4ms 104.7ms 157.1ms 209.4ms

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
users/index 30 ms 64.6%
DELETE FROM posts WHERE id = ? 23 ms 49.5%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 30 ms 64.6%
UPDATE posts SET view_count = view_count + ? WHERE published = ? 29 ms 62.4%
posts#show 46 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... 6 ms 12.9%
SELECT users.*, COUNT(DISTINCT posts.id) as post_count, COUNT(DISTINCT comments.id) as comment_count, SUM(posts.view_count) as total_views, AVG(posts.view_count) as avg_views, MIN(posts.created_at) as first_post, MAX(posts.created_at) as latest_post FR... 19 ms 40.9%
users/index 26 ms 56.0%