minio/cmd/data-usage-cache_gen.go
Klaus Post 073aac3d92
add data update tracking using bloom filter (#9208)
By monitoring PUT/DELETE and heal operations it is possible
to track changed paths and keep a bloom filter for this data. 

This can help prioritize paths to scan. The bloom filter can identify
paths that have not changed, and the few collisions will only result
in a marginal extra workload. This can be implemented on either a
bucket+(1 prefix level) with reasonable performance.

The bloom filter is set to have a false positive rate at 1% at 1M 
entries. A bloom table of this size is about ~2500 bytes when serialized.

To not force a full scan of all paths that have changed cycle bloom
filters would need to be kept, so we guarantee that dirty paths have
been scanned within cycle runs. Until cycle bloom filters have been
collected all paths are considered dirty.
2020-04-27 10:06:21 -07:00

502 lines
12 KiB
Go

package cmd
// Code generated by github.com/tinylib/msgp DO NOT EDIT.
import (
"github.com/tinylib/msgp/msgp"
)
// DecodeMsg implements msgp.Decodable
func (z *dataUsageCacheInfo) DecodeMsg(dc *msgp.Reader) (err error) {
var field []byte
_ = field
var zb0001 uint32
zb0001, err = dc.ReadMapHeader()
if err != nil {
err = msgp.WrapError(err)
return
}
for zb0001 > 0 {
zb0001--
field, err = dc.ReadMapKeyPtr()
if err != nil {
err = msgp.WrapError(err)
return
}
switch msgp.UnsafeString(field) {
case "Name":
z.Name, err = dc.ReadString()
if err != nil {
err = msgp.WrapError(err, "Name")
return
}
case "LastUpdate":
z.LastUpdate, err = dc.ReadTime()
if err != nil {
err = msgp.WrapError(err, "LastUpdate")
return
}
case "NextCycle":
z.NextCycle, err = dc.ReadUint32()
if err != nil {
err = msgp.WrapError(err, "NextCycle")
return
}
case "BloomFilter":
z.BloomFilter, err = dc.ReadBytes(z.BloomFilter)
if err != nil {
err = msgp.WrapError(err, "BloomFilter")
return
}
default:
err = dc.Skip()
if err != nil {
err = msgp.WrapError(err)
return
}
}
}
return
}
// EncodeMsg implements msgp.Encodable
func (z *dataUsageCacheInfo) EncodeMsg(en *msgp.Writer) (err error) {
// omitempty: check for empty values
zb0001Len := uint32(4)
var zb0001Mask uint8 /* 4 bits */
if z.BloomFilter == nil {
zb0001Len--
zb0001Mask |= 0x8
}
// variable map header, size zb0001Len
err = en.Append(0x80 | uint8(zb0001Len))
if err != nil {
return
}
if zb0001Len == 0 {
return
}
// write "Name"
err = en.Append(0xa4, 0x4e, 0x61, 0x6d, 0x65)
if err != nil {
return
}
err = en.WriteString(z.Name)
if err != nil {
err = msgp.WrapError(err, "Name")
return
}
// write "LastUpdate"
err = en.Append(0xaa, 0x4c, 0x61, 0x73, 0x74, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65)
if err != nil {
return
}
err = en.WriteTime(z.LastUpdate)
if err != nil {
err = msgp.WrapError(err, "LastUpdate")
return
}
// write "NextCycle"
err = en.Append(0xa9, 0x4e, 0x65, 0x78, 0x74, 0x43, 0x79, 0x63, 0x6c, 0x65)
if err != nil {
return
}
err = en.WriteUint32(z.NextCycle)
if err != nil {
err = msgp.WrapError(err, "NextCycle")
return
}
if (zb0001Mask & 0x8) == 0 { // if not empty
// write "BloomFilter"
err = en.Append(0xab, 0x42, 0x6c, 0x6f, 0x6f, 0x6d, 0x46, 0x69, 0x6c, 0x74, 0x65, 0x72)
if err != nil {
return
}
err = en.WriteBytes(z.BloomFilter)
if err != nil {
err = msgp.WrapError(err, "BloomFilter")
return
}
}
return
}
// MarshalMsg implements msgp.Marshaler
func (z *dataUsageCacheInfo) MarshalMsg(b []byte) (o []byte, err error) {
o = msgp.Require(b, z.Msgsize())
// omitempty: check for empty values
zb0001Len := uint32(4)
var zb0001Mask uint8 /* 4 bits */
if z.BloomFilter == nil {
zb0001Len--
zb0001Mask |= 0x8
}
// variable map header, size zb0001Len
o = append(o, 0x80|uint8(zb0001Len))
if zb0001Len == 0 {
return
}
// string "Name"
o = append(o, 0xa4, 0x4e, 0x61, 0x6d, 0x65)
o = msgp.AppendString(o, z.Name)
// string "LastUpdate"
o = append(o, 0xaa, 0x4c, 0x61, 0x73, 0x74, 0x55, 0x70, 0x64, 0x61, 0x74, 0x65)
o = msgp.AppendTime(o, z.LastUpdate)
// string "NextCycle"
o = append(o, 0xa9, 0x4e, 0x65, 0x78, 0x74, 0x43, 0x79, 0x63, 0x6c, 0x65)
o = msgp.AppendUint32(o, z.NextCycle)
if (zb0001Mask & 0x8) == 0 { // if not empty
// string "BloomFilter"
o = append(o, 0xab, 0x42, 0x6c, 0x6f, 0x6f, 0x6d, 0x46, 0x69, 0x6c, 0x74, 0x65, 0x72)
o = msgp.AppendBytes(o, z.BloomFilter)
}
return
}
// UnmarshalMsg implements msgp.Unmarshaler
func (z *dataUsageCacheInfo) UnmarshalMsg(bts []byte) (o []byte, err error) {
var field []byte
_ = field
var zb0001 uint32
zb0001, bts, err = msgp.ReadMapHeaderBytes(bts)
if err != nil {
err = msgp.WrapError(err)
return
}
for zb0001 > 0 {
zb0001--
field, bts, err = msgp.ReadMapKeyZC(bts)
if err != nil {
err = msgp.WrapError(err)
return
}
switch msgp.UnsafeString(field) {
case "Name":
z.Name, bts, err = msgp.ReadStringBytes(bts)
if err != nil {
err = msgp.WrapError(err, "Name")
return
}
case "LastUpdate":
z.LastUpdate, bts, err = msgp.ReadTimeBytes(bts)
if err != nil {
err = msgp.WrapError(err, "LastUpdate")
return
}
case "NextCycle":
z.NextCycle, bts, err = msgp.ReadUint32Bytes(bts)
if err != nil {
err = msgp.WrapError(err, "NextCycle")
return
}
case "BloomFilter":
z.BloomFilter, bts, err = msgp.ReadBytesBytes(bts, z.BloomFilter)
if err != nil {
err = msgp.WrapError(err, "BloomFilter")
return
}
default:
bts, err = msgp.Skip(bts)
if err != nil {
err = msgp.WrapError(err)
return
}
}
}
o = bts
return
}
// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z *dataUsageCacheInfo) Msgsize() (s int) {
s = 1 + 5 + msgp.StringPrefixSize + len(z.Name) + 11 + msgp.TimeSize + 10 + msgp.Uint32Size + 12 + msgp.BytesPrefixSize + len(z.BloomFilter)
return
}
// DecodeMsg implements msgp.Decodable
func (z *dataUsageEntry) DecodeMsg(dc *msgp.Reader) (err error) {
var zb0001 uint32
zb0001, err = dc.ReadArrayHeader()
if err != nil {
err = msgp.WrapError(err)
return
}
if zb0001 != 4 {
err = msgp.ArrayError{Wanted: 4, Got: zb0001}
return
}
z.Size, err = dc.ReadInt64()
if err != nil {
err = msgp.WrapError(err, "Size")
return
}
z.Objects, err = dc.ReadUint64()
if err != nil {
err = msgp.WrapError(err, "Objects")
return
}
var zb0002 uint32
zb0002, err = dc.ReadArrayHeader()
if err != nil {
err = msgp.WrapError(err, "ObjSizes")
return
}
if zb0002 != uint32(dataUsageBucketLen) {
err = msgp.ArrayError{Wanted: uint32(dataUsageBucketLen), Got: zb0002}
return
}
for za0001 := range z.ObjSizes {
z.ObjSizes[za0001], err = dc.ReadUint64()
if err != nil {
err = msgp.WrapError(err, "ObjSizes", za0001)
return
}
}
err = z.Children.DecodeMsg(dc)
if err != nil {
err = msgp.WrapError(err, "Children")
return
}
return
}
// EncodeMsg implements msgp.Encodable
func (z *dataUsageEntry) EncodeMsg(en *msgp.Writer) (err error) {
// array header, size 4
err = en.Append(0x94)
if err != nil {
return
}
err = en.WriteInt64(z.Size)
if err != nil {
err = msgp.WrapError(err, "Size")
return
}
err = en.WriteUint64(z.Objects)
if err != nil {
err = msgp.WrapError(err, "Objects")
return
}
err = en.WriteArrayHeader(uint32(dataUsageBucketLen))
if err != nil {
err = msgp.WrapError(err, "ObjSizes")
return
}
for za0001 := range z.ObjSizes {
err = en.WriteUint64(z.ObjSizes[za0001])
if err != nil {
err = msgp.WrapError(err, "ObjSizes", za0001)
return
}
}
err = z.Children.EncodeMsg(en)
if err != nil {
err = msgp.WrapError(err, "Children")
return
}
return
}
// MarshalMsg implements msgp.Marshaler
func (z *dataUsageEntry) MarshalMsg(b []byte) (o []byte, err error) {
o = msgp.Require(b, z.Msgsize())
// array header, size 4
o = append(o, 0x94)
o = msgp.AppendInt64(o, z.Size)
o = msgp.AppendUint64(o, z.Objects)
o = msgp.AppendArrayHeader(o, uint32(dataUsageBucketLen))
for za0001 := range z.ObjSizes {
o = msgp.AppendUint64(o, z.ObjSizes[za0001])
}
o, err = z.Children.MarshalMsg(o)
if err != nil {
err = msgp.WrapError(err, "Children")
return
}
return
}
// UnmarshalMsg implements msgp.Unmarshaler
func (z *dataUsageEntry) UnmarshalMsg(bts []byte) (o []byte, err error) {
var zb0001 uint32
zb0001, bts, err = msgp.ReadArrayHeaderBytes(bts)
if err != nil {
err = msgp.WrapError(err)
return
}
if zb0001 != 4 {
err = msgp.ArrayError{Wanted: 4, Got: zb0001}
return
}
z.Size, bts, err = msgp.ReadInt64Bytes(bts)
if err != nil {
err = msgp.WrapError(err, "Size")
return
}
z.Objects, bts, err = msgp.ReadUint64Bytes(bts)
if err != nil {
err = msgp.WrapError(err, "Objects")
return
}
var zb0002 uint32
zb0002, bts, err = msgp.ReadArrayHeaderBytes(bts)
if err != nil {
err = msgp.WrapError(err, "ObjSizes")
return
}
if zb0002 != uint32(dataUsageBucketLen) {
err = msgp.ArrayError{Wanted: uint32(dataUsageBucketLen), Got: zb0002}
return
}
for za0001 := range z.ObjSizes {
z.ObjSizes[za0001], bts, err = msgp.ReadUint64Bytes(bts)
if err != nil {
err = msgp.WrapError(err, "ObjSizes", za0001)
return
}
}
bts, err = z.Children.UnmarshalMsg(bts)
if err != nil {
err = msgp.WrapError(err, "Children")
return
}
o = bts
return
}
// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z *dataUsageEntry) Msgsize() (s int) {
s = 1 + msgp.Int64Size + msgp.Uint64Size + msgp.ArrayHeaderSize + (dataUsageBucketLen * (msgp.Uint64Size)) + z.Children.Msgsize()
return
}
// DecodeMsg implements msgp.Decodable
func (z *dataUsageHash) DecodeMsg(dc *msgp.Reader) (err error) {
{
var zb0001 uint64
zb0001, err = dc.ReadUint64()
if err != nil {
err = msgp.WrapError(err)
return
}
(*z) = dataUsageHash(zb0001)
}
return
}
// EncodeMsg implements msgp.Encodable
func (z dataUsageHash) EncodeMsg(en *msgp.Writer) (err error) {
err = en.WriteUint64(uint64(z))
if err != nil {
err = msgp.WrapError(err)
return
}
return
}
// MarshalMsg implements msgp.Marshaler
func (z dataUsageHash) MarshalMsg(b []byte) (o []byte, err error) {
o = msgp.Require(b, z.Msgsize())
o = msgp.AppendUint64(o, uint64(z))
return
}
// UnmarshalMsg implements msgp.Unmarshaler
func (z *dataUsageHash) UnmarshalMsg(bts []byte) (o []byte, err error) {
{
var zb0001 uint64
zb0001, bts, err = msgp.ReadUint64Bytes(bts)
if err != nil {
err = msgp.WrapError(err)
return
}
(*z) = dataUsageHash(zb0001)
}
o = bts
return
}
// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z dataUsageHash) Msgsize() (s int) {
s = msgp.Uint64Size
return
}
// DecodeMsg implements msgp.Decodable
func (z *sizeHistogram) DecodeMsg(dc *msgp.Reader) (err error) {
var zb0001 uint32
zb0001, err = dc.ReadArrayHeader()
if err != nil {
err = msgp.WrapError(err)
return
}
if zb0001 != uint32(dataUsageBucketLen) {
err = msgp.ArrayError{Wanted: uint32(dataUsageBucketLen), Got: zb0001}
return
}
for za0001 := range z {
z[za0001], err = dc.ReadUint64()
if err != nil {
err = msgp.WrapError(err, za0001)
return
}
}
return
}
// EncodeMsg implements msgp.Encodable
func (z *sizeHistogram) EncodeMsg(en *msgp.Writer) (err error) {
err = en.WriteArrayHeader(uint32(dataUsageBucketLen))
if err != nil {
err = msgp.WrapError(err)
return
}
for za0001 := range z {
err = en.WriteUint64(z[za0001])
if err != nil {
err = msgp.WrapError(err, za0001)
return
}
}
return
}
// MarshalMsg implements msgp.Marshaler
func (z *sizeHistogram) MarshalMsg(b []byte) (o []byte, err error) {
o = msgp.Require(b, z.Msgsize())
o = msgp.AppendArrayHeader(o, uint32(dataUsageBucketLen))
for za0001 := range z {
o = msgp.AppendUint64(o, z[za0001])
}
return
}
// UnmarshalMsg implements msgp.Unmarshaler
func (z *sizeHistogram) UnmarshalMsg(bts []byte) (o []byte, err error) {
var zb0001 uint32
zb0001, bts, err = msgp.ReadArrayHeaderBytes(bts)
if err != nil {
err = msgp.WrapError(err)
return
}
if zb0001 != uint32(dataUsageBucketLen) {
err = msgp.ArrayError{Wanted: uint32(dataUsageBucketLen), Got: zb0001}
return
}
for za0001 := range z {
z[za0001], bts, err = msgp.ReadUint64Bytes(bts)
if err != nil {
err = msgp.WrapError(err, za0001)
return
}
}
o = bts
return
}
// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z *sizeHistogram) Msgsize() (s int) {
s = msgp.ArrayHeaderSize + (dataUsageBucketLen * (msgp.Uint64Size))
return
}