Request Details

Route
/comments POST
Timestamp
Sep 18, 2026 4:43 AM
Duration
70.06 ms
Status
204
Response Size
22 KB
Error
No

Performance Breakdown

Database
22.4% (3 queries)
View Rendering
18.1%
Application Logic
59.5%
Other Operations
0.0%
Total Operations
8
Slowest Operation
70.06 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 88.3ms 176.6ms 264.9ms 353.2ms

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 posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 17 ms 24.3%
layouts/application 38 ms 54.2%
comments#create 70 ms 100.0%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 29 ms 41.4%
users/index 26 ms 37.1%
comments#create 70 ms 100.0%
SELECT COUNT(*) FROM comments WHERE post_id = ? 33 ms 47.1%
comments#create 70 ms 100.0%