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Merge pull request #51786 from majiayu000/43810-fix-stats-api-docs-cgroups-v2

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docs: update stats API description for cgroups v2 compatibility
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Sebastiaan van Stijn
2026-01-05 22:04:19 +01:00
committed by GitHub
parent 5275f5f33c 917d66d833
commit e3f60d72f4
1 changed files with 7 additions and 2 deletions
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9
api/swagger.yaml
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@@ -6259,7 +6259,11 @@ definitions:
example: 0
stats:
description: |
All the stats exported via memory.stat. when using cgroups v2.
All the stats exported via memory.stat.
The fields in this object differ between cgroups v1 and v2.
On cgroups v1, fields such as `cache`, `rss`, `mapped_file` are available.
On cgroups v2, fields such as `file`, `anon`, `inactive_file` are available.
This field is Linux-specific and omitted for Windows containers.
type: "object"
@@ -8532,7 +8536,8 @@ paths:
To calculate the values shown by the `stats` command of the docker cli tool
the following formulas can be used:
* used_memory = `memory_stats.usage - memory_stats.stats.cache`
* used_memory = `memory_stats.usage - memory_stats.stats.cache` (cgroups v1)
* used_memory = `memory_stats.usage - memory_stats.stats.inactive_file` (cgroups v2)
* available_memory = `memory_stats.limit`
* Memory usage % = `(used_memory / available_memory) * 100.0`
* cpu_delta = `cpu_stats.cpu_usage.total_usage - precpu_stats.cpu_usage.total_usage`