Request Details

Route
/slow GET
Timestamp
Sep 23, 2026 1:20 AM
Duration
207.94 ms
Status
204
Response Size
190 KB
Error
No

Performance Breakdown

Database
2.9% (4 queries)
View Rendering
12.7%
Application Logic
84.4%
Other Operations
0.0%
Total Operations
25
Slowest Operation
207.94 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 554.6ms 1109.2ms 1663.9ms 2218.5ms

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 36 ms 17.3%
SELECT * FROM posts WHERE title LIKE ? AND content LIKE ? AND LOWER(title) LIKE ? AND UPPER(content) LIKE ? 12 ms 5.8%
posts/show 23 ms 11.1%
users/index 14 ms 6.7%
posts/show 8 ms 3.8%
home#slow 208 ms 100.0%
SELECT * FROM posts WHERE created_at > ? 29 ms 13.9%
SELECT * FROM posts WHERE user_id = ? ORDER BY created_at DESC LIMIT ? 13 ms 6.3%
layouts/application 38 ms 18.3%
posts/show 39 ms 18.8%
posts/show 22 ms 10.6%
posts/show 9 ms 4.3%
home#slow 208 ms 100.0%
layouts/application 21 ms 10.1%
home#slow 208 ms 100.0%
home#slow 208 ms 100.0%
home#slow 208 ms 100.0%
layouts/application 24 ms 11.5%
home#slow 208 ms 100.0%
home#slow 208 ms 100.0%
users/index 11 ms 5.3%
home#slow 208 ms 100.0%
home/index 37 ms 17.8%
SELECT posts.* FROM posts WHERE title LIKE ? OR content LIKE ? 11 ms 5.3%
home#slow 208 ms 100.0%