Request Details

Route
/api_simple GET
Timestamp
Sep 16, 2026 10:43 AM
Duration
11.58 ms
Status
200
Response Size
637 Bytes
Error
No

Performance Breakdown

Database
38.5% (2 queries)
View Rendering
26.4%
Application Logic
35.0%
Other Operations
0.0%
Total Operations
7
Slowest Operation
35.0 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 33.1ms 66.2ms 99.2ms 132.3ms

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
home#api_simple 12 ms 100.0%
home#api_simple 12 ms 100.0%
home/index 35 ms 302.2%
home#api_simple 12 ms 100.0%
home#api_simple 12 ms 100.0%
SELECT * FROM comments WHERE post_id = ? ORDER BY created_at DESC LIMIT ? 19 ms 164.0%
SELECT * FROM posts WHERE created_at > ? 32 ms 276.3%