masaori335 opened a new pull request, #13031:
URL: https://github.com/apache/trafficserver/pull/13031
# Summary
This PR merges storage.config (span/disk definitions) and volume.config
(volume allocation rules) into a single storage.yaml file, and adds
comprehensive documentation for the new format.
# Implementation
- Add YamlStorageConfig class (src/iocore/cache/YamlStorageConfig.cc/h) that
parses storage.yaml using yaml-cpp
- Refactor ConfigVol to use a nested Size struct replacing the old flat
size/percent/in_percent fields
- Add ConfigVol::Span and ConfigVol::Spans to express per-span volume
assignments directly in the config, replacing the old volume= annotation in
storage.config
- Add ConfigVolumes::complement() to auto-fill omitted sizes by distributing
remaining space evenly among volumes/spans without an explicit size
- Remove Span::forced_volume_num in favor of deriving exclusive span
assignments from the YAML structure at startup
- Remove ConfigVolumes::read_config_file() and BuildListFromString() —
volume config is now loaded as part of Store::read_config()
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