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remove double reads delete versions (#13544)

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deleting collection of versions belonging
to same object, we can avoid re-reading
the xl.meta from the disk instead purge
all the requested versions in-memory,

the tradeoff is to allocate a map to de-dup
the versions, allow disks to be read only
once per object.

additionally reduce the data transfer between
nodes by shortening msgp data values.
This commit is contained in:
Harshavardhana
2021-11-01 10:50:07 -07:00
committed by GitHub
parent 15dcacc1fc
commit bb639d9f29
12 changed files with 310 additions and 259 deletions
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cmd/storage-interface.go
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@@ -57,7 +57,7 @@ type StorageAPI interface {
// Metadata operations
DeleteVersion(ctx context.Context, volume, path string, fi FileInfo, forceDelMarker bool) error
DeleteVersions(ctx context.Context, volume string, versions []FileInfo) []error
DeleteVersions(ctx context.Context, volume string, versions []FileInfoVersions) []error
WriteMetadata(ctx context.Context, volume, path string, fi FileInfo) error
UpdateMetadata(ctx context.Context, volume, path string, fi FileInfo) error
ReadVersion(ctx context.Context, volume, path, versionID string, readData bool) (FileInfo, error)