docs(scanner): add benchmark runbook (#3412)

Co-authored-by: Henry Guo <marshawcoco@users.noreply.github.com>
This commit is contained in:
Henry Guo
2026-06-13 22:39:13 +08:00
committed by GitHub
parent 6b0d7e06c4
commit 0d16a86d9a
6 changed files with 311 additions and 2 deletions
@@ -5,6 +5,9 @@ data scanner. It is written for operators who need to reduce scanner pressure,
diagnose slow scan progress, or confirm that background lifecycle, replication,
heal, bitrot, and usage work is still moving.
For reproducible scanner-pressure validation and before/after evidence, see
[Scanner Benchmark Runbook](scanner-benchmark-runbook.md).
## What the scanner does
The scanner is the background maintenance loop that walks stored objects and