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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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4
cmd/xl-storage-disk-id-check.go
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@@ -421,8 +421,8 @@ func (p *xlStorageDiskIDCheck) Delete(ctx context.Context, volume string, path s
// DeleteVersions deletes slice of versions, it can be same object
// or multiple objects.
func (p *xlStorageDiskIDCheck) DeleteVersions(ctx context.Context, volume string, versions []FileInfo) (errs []error) {
// Mererly for tracing storage
func (p *xlStorageDiskIDCheck) DeleteVersions(ctx context.Context, volume string, versions []FileInfoVersions) (errs []error) {
// Merely for tracing storage
path := ""
if len(versions) > 0 {
path = versions[0].Name