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y

package

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Versions in this module

v4

v4.2211.3

Dec 9, 2022

v4.2211.2

Nov 14, 2022

v4.2211.1

Nov 11, 2022

Changes in this version

+ const BitRoar

v4.2211.0

Nov 10, 2022

v4.2210.0

Oct 7, 2022

Changes in this version

+ var CastagnoliCrcTable = crc32.MakeTable(crc32.Castagnoli)

+ var ErrChecksumMismatch = errors.New("checksum mismatch")

+ var ErrCommitAfterFinish = errors.New("Batch commit not permitted after finish")

+ var ErrEOF = errors.New("ErrEOF: End of file")

+ var NoEventLog trace.EventLog = nilEventLog

+ func AssertTrue(b bool)

+ func AssertTruef(b bool, format string, args ...interface{})

+ func BloomBitsPerKey(fp float64) int

+ func BytesToU16(b []byte) uint16

+ func BytesToU32(b []byte) uint32

+ func BytesToU32Slice(b []byte) []uint32

+ func BytesToU64(b []byte) uint64

+ func BytesToU64Slice(b []byte) []uint64

+ func CalculateChecksum(data []byte, ct pb.Checksum_Algorithm) uint64

+ func Check(err error)

+ func Check2(_ interface{}, err error)

+ func CompareKeys(key1, key2 []byte) int

+ func Copy(a []byte) []byte

+ func CreateSyncedFile(filename string, sync bool) (*os.File, error)

+ func FixedDuration(d time.Duration) string

+ func GenerateIV() ([]byte, error)

+ func Hash(b []byte) uint32

+ func IBytesToString(size uint64, precision int) string

+ func KeyWithTs(key []byte, ts uint64) []byte

+ func LSMSizeGet(enabled bool, key string) expvar.Var

+ func LSMSizeSet(enabled bool, key string, val expvar.Var)

+ func NewKV(alloc *z.Allocator) *pb.KV

+ func NumBlockedPutsAdd(enabled bool, val int64)

+ func NumBytesReadAdd(enabled bool, val int64)

+ func NumBytesWrittenAdd(enabled bool, val int64)

+ func NumCompactionTablesAdd(enabled bool, val int64)

+ func NumGetsAdd(enabled bool, val int64)

+ func NumLSMBloomHitsAdd(enabled bool, key string, val int64)

+ func NumLSMGetsAdd(enabled bool, key string, val int64)

+ func NumMemtableGetsAdd(enabled bool, val int64)

+ func NumPutsAdd(enabled bool, val int64)

+ func NumReadsAdd(enabled bool, val int64)

+ func NumWritesAdd(enabled bool, val int64)

+ func OpenExistingFile(filename string, flags Flags) (*os.File, error)

+ func OpenSyncedFile(filename string, sync bool) (*os.File, error)

+ func OpenTruncFile(filename string, sync bool) (*os.File, error)

+ func ParseKey(key []byte) []byte

+ func ParseTs(key []byte) uint64

+ func PendingWritesSet(enabled bool, key string, val expvar.Var)

+ func SafeCopy(a, src []byte) []byte

+ func SameKey(src, dst []byte) bool

+ func SetKeyTs(key []byte, ts uint64)

+ func U16ToBytes(v uint16) []byte

+ func U32SliceToBytes(u32s []uint32) []byte

+ func U32ToBytes(v uint32) []byte

+ func U64SliceToBytes(u64s []uint64) []byte

+ func U64ToBytes(v uint64) []byte

+ func VerifyChecksum(data []byte, expected *pb.Checksum) error

+ func Wrap(err error, msg string) error

+ func Wrapf(err error, format string, args ...interface{}) error

+ func XORBlock(dst, src, key, iv []byte) error

+ func XORBlockAllocate(src, key, iv []byte) ([]byte, error)

+ func XORBlockStream(w io.Writer, src, key, iv []byte) error

+ func ZSTDCompress(dst, src []byte, compressionLevel int) ([]byte, error)

+ func ZSTDCompressBound(srcSize int) int

+ func ZSTDDecompress(dst, src []byte) ([]byte, error)

+ type Filter []byte

+ func NewFilter(keys []uint32, bitsPerKey int) Filter

+ func (f Filter) MayContain(h uint32) bool

+ func (f Filter) MayContainKey(k []byte) bool

+ type Flags int

+ const ReadOnly

+ const Sync

+ type Iterator interface

+ Close func() error

+ Key func() []byte

+ Next func()

+ Rewind func()

+ Seek func(key []byte)

+ Valid func() bool

+ Value func() ValueStruct

+ type PageBuffer struct

+ func NewPageBuffer(pageSize int) *PageBuffer

+ func (b *PageBuffer) Bytes() []byte

+ func (b *PageBuffer) Len() int

+ func (b *PageBuffer) NewReaderAt(offset int) *PageBufferReader

+ func (b *PageBuffer) Truncate(n int)

+ func (b *PageBuffer) Write(data []byte) (int, error)

+ func (b *PageBuffer) WriteByte(data byte) error

+ func (b *PageBuffer) WriteTo(w io.Writer) (int64, error)

+ type PageBufferReader struct

+ func (r *PageBufferReader) Read(p []byte) (int, error)

+ type RateMonitor struct

+ func NewRateMonitor(numSamples int) *RateMonitor

+ func (rm *RateMonitor) Capture(sent uint64)

+ func (rm *RateMonitor) Rate() uint64

+ type Slice struct

+ func (s *Slice) Resize(sz int) []byte

+ type Throttle struct

+ func NewThrottle(max int) *Throttle

+ func (t *Throttle) Do() error

+ func (t *Throttle) Done(err error)

+ func (t *Throttle) Finish() error

+ type ValueStruct struct

+ Meta byte

+ UserMeta byte

+ Value []byte

+ Version uint64

+ func (v *ValueStruct) Decode(b []byte)

+ func (v *ValueStruct) Encode(b []byte) uint32

+ func (v *ValueStruct) EncodeTo(buf *bytes.Buffer)

+ func (v *ValueStruct) EncodedSize() uint32

+ type WaterMark struct

+ Name string

+ func (w *WaterMark) Begin(index uint64)

+ func (w *WaterMark) BeginMany(indices []uint64)

+ func (w *WaterMark) Done(index uint64)

+ func (w *WaterMark) DoneMany(indices []uint64)

+ func (w *WaterMark) DoneUntil() uint64

+ func (w *WaterMark) Init(closer *z.Closer)

+ func (w *WaterMark) LastIndex() uint64

+ func (w *WaterMark) SetDoneUntil(val uint64)

+ func (w *WaterMark) WaitForMark(ctx context.Context, index uint64) error

Other modules containing this package

github.com/outcaste-io/badger

github.com/outcaste-io/badger/v3