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Avoid allocs for MRF on-disk header (#18425)

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Krishnan Parthasarathi 2023-11-10 19:54:46 -08:00 committed by GitHub
parent 54721b7c7b
commit 9569a85cee
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1 changed files with 8 additions and 9 deletions
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17
cmd/bucket-replication.go
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@ -3187,12 +3187,16 @@ func (p *ReplicationPool) queueMRFSave(entry MRFReplicateEntry) {
}
}
func (p *ReplicationPool) persistToDrive(ctx context.Context, v MRFReplicateEntries, data []byte) {
func (p *ReplicationPool) persistToDrive(ctx context.Context, v MRFReplicateEntries) {
newReader := func() io.ReadCloser {
r, w := io.Pipe()
go func() {
// Initialize MRF meta header.
var data [4]byte
binary.LittleEndian.PutUint16(data[0:2], mrfMetaFormat)
binary.LittleEndian.PutUint16(data[2:4], mrfMetaVersion)
mw := msgp.NewWriter(w)
n, err := mw.Write(data)
n, err := mw.Write(data[:])
if err != nil {
w.CloseWithError(err)
return
@ -3230,15 +3234,10 @@ func (p *ReplicationPool) saveMRFEntries(ctx context.Context, entries map[string
v := MRFReplicateEntries{
Entries: entries,
Version: mrfMetaVersionV1,
Version: mrfMetaVersion,
}
data := make([]byte, 4, v.Msgsize()+4)
// Initialize the resync meta header.
binary.LittleEndian.PutUint16(data[0:2], mrfMetaFormat)
binary.LittleEndian.PutUint16(data[2:4], mrfMetaVersion)
p.persistToDrive(ctx, v, data)
p.persistToDrive(ctx, v)
}
// load mrf entries from disk