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fix: make complete multipart uploads faster encrypted/compressed backends (#15375)

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- Only fetch the parts we need and abort as soon as one is missing.
- Only fetch the number of parts requested by "ListObjectParts".
This commit is contained in:
Klaus Post 2022-07-21 16:47:58 -07:00 committed by GitHub
parent f4d5c861f3
commit 69bf39f42e
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 72 additions and 32 deletions
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51
cmd/erasure-multipart.go
View File

@ -830,16 +830,33 @@ func (er erasureObjects) ListObjectParts(ctx context.Context, bucket, object, up
return result, err
}
if maxParts == 0 {
return result, nil
}
if partNumberMarker < 0 {
partNumberMarker = 0
}
// Limit output to maxPartsList.
if maxParts > maxPartsList-partNumberMarker {
maxParts = maxPartsList - partNumberMarker
}
// Read Part info for all parts
partPath := pathJoin(uploadIDPath, fi.DataDir) + "/"
req := ReadMultipleReq{
Bucket: minioMetaMultipartBucket,
Prefix: partPath,
MaxSize: 1 << 20, // Each part should realistically not be > 1MiB.
Bucket: minioMetaMultipartBucket,
Prefix: partPath,
MaxSize: 1 << 20, // Each part should realistically not be > 1MiB.
MaxResults: maxParts + 1,
}
start := partNumberMarker + 1
end := start + maxParts
// Parts are 1 based, so index 0 is part one, etc.
for i := 1; i <= maxPartsList; i++ {
for i := start; i <= end; i++ {
req.Files = append(req.Files, fmt.Sprintf("part.%d.meta", i))
}
@ -861,13 +878,9 @@ func (er erasureObjects) ListObjectParts(ctx context.Context, bucket, object, up
return result, nil
}
// Limit output to maxPartsList.
if maxParts > maxPartsList {
maxParts = maxPartsList
}
var partI ObjectPartInfo
for i, part := range partInfoFiles {
partN := i + partNumberMarker + 1
if part.Error != "" || !part.Exists {
continue
}
@ -879,7 +892,7 @@ func (er erasureObjects) ListObjectParts(ctx context.Context, bucket, object, up
continue
}
if i+1 != partI.Number {
if partN != partI.Number {
logger.LogIf(ctx, fmt.Errorf("part.%d.meta has incorrect corresponding part number: expected %d, got %d", i+1, i+1, partI.Number))
continue
}
@ -889,12 +902,7 @@ func (er erasureObjects) ListObjectParts(ctx context.Context, bucket, object, up
}
// Only parts with higher part numbers will be listed.
partIdx := objectPartIndex(fi.Parts, partNumberMarker)
parts := fi.Parts
if partIdx != -1 {
parts = fi.Parts[partIdx+1:]
}
count := maxParts
result.Parts = make([]PartInfo, 0, len(parts))
for _, part := range parts {
result.Parts = append(result.Parts, PartInfo{
@ -904,11 +912,11 @@ func (er erasureObjects) ListObjectParts(ctx context.Context, bucket, object, up
ActualSize: part.ActualSize,
Size: part.Size,
})
count--
if count == 0 {
if len(result.Parts) >= maxParts {
break
}
}
// If listed entries are more than maxParts, we set IsTruncated as true.
if len(parts) > len(result.Parts) {
result.IsTruncated = true
@ -972,10 +980,11 @@ func (er erasureObjects) CompleteMultipartUpload(ctx context.Context, bucket str
// Read Part info for all parts
partPath := pathJoin(uploadIDPath, fi.DataDir) + "/"
req := ReadMultipleReq{
Bucket: minioMetaMultipartBucket,
Prefix: partPath,
MaxSize: 1 << 20, // Each part should realistically not be > 1MiB.
Files: make([]string, 0, len(parts)),
Bucket: minioMetaMultipartBucket,
Prefix: partPath,
MaxSize: 1 << 20, // Each part should realistically not be > 1MiB.
Files: make([]string, 0, len(parts)),
AbortOn404: true,
}
for _, part := range parts {
req.Files = append(req.Files, fmt.Sprintf("part.%d.meta", part.PartNumber))

11
cmd/object-multipart-handlers.go
View File

@ -614,6 +614,7 @@ func (api objectAPIHandlers) CompleteMultipartUploadHandler(w http.ResponseWrite
//
// Therefore, we adjust all ETags sent by the client to match what is stored
// on the backend.
// TODO(klauspost): This should be done while object is finalized instead of fetching the data twice
if objectAPI.IsEncryptionSupported() {
mi, err := objectAPI.GetMultipartInfo(ctx, bucket, object, uploadID, ObjectOptions{})
if err != nil {
@ -622,8 +623,11 @@ func (api objectAPIHandlers) CompleteMultipartUploadHandler(w http.ResponseWrite
}
if _, ok := crypto.IsEncrypted(mi.UserDefined); ok {
const MaxParts = 10000
listPartsInfo, err := objectAPI.ListObjectParts(ctx, bucket, object, uploadID, 0, MaxParts, ObjectOptions{})
// Only fetch parts in between first and last.
// We already checked if we have at least one part.
start := complMultipartUpload.Parts[0].PartNumber
maxParts := complMultipartUpload.Parts[len(complMultipartUpload.Parts)-1].PartNumber - start + 1
listPartsInfo, err := objectAPI.ListObjectParts(ctx, bucket, object, uploadID, start-1, maxParts, ObjectOptions{})
if err != nil {
writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
return
@ -631,9 +635,6 @@ func (api objectAPIHandlers) CompleteMultipartUploadHandler(w http.ResponseWrite
sort.Slice(listPartsInfo.Parts, func(i, j int) bool {
return listPartsInfo.Parts[i].PartNumber < listPartsInfo.Parts[j].PartNumber
})
sort.Slice(complMultipartUpload.Parts, func(i, j int) bool {
return complMultipartUpload.Parts[i].PartNumber < complMultipartUpload.Parts[j].PartNumber
})
for i := range listPartsInfo.Parts {
for j := range complMultipartUpload.Parts {
if listPartsInfo.Parts[i].PartNumber == complMultipartUpload.Parts[j].PartNumber {

1
cmd/storage-datatypes.go
View File

@ -285,6 +285,7 @@ type ReadMultipleReq struct {
MaxSize int64 // Return error if size is exceed.
MetadataOnly bool // Read as XL meta and truncate data.
AbortOn404 bool // Stop reading after first file not found.
MaxResults int // Stop after this many successful results. <= 0 means all.
}
// ReadMultipleResp contains a single response from a ReadMultipleReq.

35
cmd/storage-datatypes_gen.go
View File

@ -1745,6 +1745,12 @@ func (z *ReadMultipleReq) DecodeMsg(dc *msgp.Reader) (err error) {
err = msgp.WrapError(err, "AbortOn404")
return
}
case "MaxResults":
z.MaxResults, err = dc.ReadInt()
if err != nil {
err = msgp.WrapError(err, "MaxResults")
return
}
default:
err = dc.Skip()
if err != nil {
@ -1758,9 +1764,9 @@ func (z *ReadMultipleReq) DecodeMsg(dc *msgp.Reader) (err error) {
// EncodeMsg implements msgp.Encodable
func (z *ReadMultipleReq) EncodeMsg(en *msgp.Writer) (err error) {
// map header, size 6
// map header, size 7
// write "Bucket"
err = en.Append(0x86, 0xa6, 0x42, 0x75, 0x63, 0x6b, 0x65, 0x74)
err = en.Append(0x87, 0xa6, 0x42, 0x75, 0x63, 0x6b, 0x65, 0x74)
if err != nil {
return
}
@ -1826,15 +1832,25 @@ func (z *ReadMultipleReq) EncodeMsg(en *msgp.Writer) (err error) {
err = msgp.WrapError(err, "AbortOn404")
return
}
// write "MaxResults"
err = en.Append(0xaa, 0x4d, 0x61, 0x78, 0x52, 0x65, 0x73, 0x75, 0x6c, 0x74, 0x73)
if err != nil {
return
}
err = en.WriteInt(z.MaxResults)
if err != nil {
err = msgp.WrapError(err, "MaxResults")
return
}
return
}
// MarshalMsg implements msgp.Marshaler
func (z *ReadMultipleReq) MarshalMsg(b []byte) (o []byte, err error) {
o = msgp.Require(b, z.Msgsize())
// map header, size 6
// map header, size 7
// string "Bucket"
o = append(o, 0x86, 0xa6, 0x42, 0x75, 0x63, 0x6b, 0x65, 0x74)
o = append(o, 0x87, 0xa6, 0x42, 0x75, 0x63, 0x6b, 0x65, 0x74)
o = msgp.AppendString(o, z.Bucket)
// string "Prefix"
o = append(o, 0xa6, 0x50, 0x72, 0x65, 0x66, 0x69, 0x78)
@ -1854,6 +1870,9 @@ func (z *ReadMultipleReq) MarshalMsg(b []byte) (o []byte, err error) {
// string "AbortOn404"
o = append(o, 0xaa, 0x41, 0x62, 0x6f, 0x72, 0x74, 0x4f, 0x6e, 0x34, 0x30, 0x34)
o = msgp.AppendBool(o, z.AbortOn404)
// string "MaxResults"
o = append(o, 0xaa, 0x4d, 0x61, 0x78, 0x52, 0x65, 0x73, 0x75, 0x6c, 0x74, 0x73)
o = msgp.AppendInt(o, z.MaxResults)
return
}
@ -1924,6 +1943,12 @@ func (z *ReadMultipleReq) UnmarshalMsg(bts []byte) (o []byte, err error) {
err = msgp.WrapError(err, "AbortOn404")
return
}
case "MaxResults":
z.MaxResults, bts, err = msgp.ReadIntBytes(bts)
if err != nil {
err = msgp.WrapError(err, "MaxResults")
return
}
default:
bts, err = msgp.Skip(bts)
if err != nil {
@ -1942,7 +1967,7 @@ func (z *ReadMultipleReq) Msgsize() (s int) {
for za0001 := range z.Files {
s += msgp.StringPrefixSize + len(z.Files[za0001])
}
s += 8 + msgp.Int64Size + 13 + msgp.BoolSize + 11 + msgp.BoolSize
s += 8 + msgp.Int64Size + 13 + msgp.BoolSize + 11 + msgp.BoolSize + 11 + msgp.IntSize
return
}

6
cmd/xl-storage.go
View File

@ -2573,7 +2573,7 @@ func (s *xlStorage) ReadMultiple(ctx context.Context, req ReadMultipleReq, resp
defer close(resp)
volumeDir := pathJoin(s.diskPath, req.Bucket)
found := 0
for _, f := range req.Files {
if contextCanceled(ctx) {
return ctx.Err()
@ -2617,10 +2617,14 @@ func (s *xlStorage) ReadMultiple(ctx context.Context, req ReadMultipleReq, resp
resp <- r
continue
}
found++
r.Exists = true
r.Data = data
r.Modtime = mt
resp <- r
if req.MaxResults > 0 && found >= req.MaxResults {
return nil
}
}
return nil
}