Request Details

Route
/posts/:id GET
Timestamp
Sep 22, 2026 2:56 AM
Duration
30.79 ms
Status
204
Response Size
12 KB
Error
No

Performance Breakdown

Database
10.6% (1 query)
View Rendering
45.9%
Application Logic
43.5%
Other Operations
0.0%
Total Operations
7
Slowest Operation
30.79 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 35.4ms 70.8ms 106.2ms 141.6ms

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
posts#show 31 ms 100.0%
home/index 27 ms 87.7%
home/index 7 ms 22.7%
home/index 6 ms 19.5%
users/index 25 ms 81.2%
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... 15 ms 48.7%
posts#show 31 ms 100.0%