Request Details

Route
/posts/:id GET
Timestamp
Sep 22, 2026 9:06 PM
Duration
30.41 ms
Status
201
Response Size
18 KB
Error
No

Performance Breakdown

Database
44.3% (4 queries)
View Rendering
36.8%
Application Logic
19.0%
Other Operations
0.0%
Total Operations
8
Slowest Operation
30.41 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 40.1ms 80.2ms 120.3ms 160.4ms

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 23 ms 75.6%
users/index 30 ms 98.7%
SELECT id, name FROM users WHERE email = ? 12 ms 39.5%
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... 30 ms 98.7%
users/index 6 ms 19.7%
SELECT posts.title, posts.content, users.name FROM posts JOIN users ON posts.user_id = users.id WHERE posts.published = ? 16 ms 52.6%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 13 ms 42.8%
posts#show 30 ms 100.0%