You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
392 lines
21 KiB
392 lines
21 KiB
/*
|
|
* Minio Cloud Storage, (C) 2016, 2017 Minio, Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package cmd
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"io"
|
|
"math/rand"
|
|
"testing"
|
|
|
|
crand "crypto/rand"
|
|
|
|
humanize "github.com/dustin/go-humanize"
|
|
)
|
|
|
|
func (a badDisk) ReadFile(volume string, path string, offset int64, buf []byte, verifier *BitrotVerifier) (n int64, err error) {
|
|
return 0, errFaultyDisk
|
|
}
|
|
|
|
var erasureDecodeTests = []struct {
|
|
dataBlocks int
|
|
onDisks, offDisks int
|
|
blocksize, data int64
|
|
offset int64
|
|
length int64
|
|
algorithm BitrotAlgorithm
|
|
shouldFail, shouldFailQuorum bool
|
|
}{
|
|
{dataBlocks: 2, onDisks: 4, offDisks: 0, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: BLAKE2b512, shouldFail: false, shouldFailQuorum: false}, // 0
|
|
{dataBlocks: 3, onDisks: 6, offDisks: 0, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: SHA256, shouldFail: false, shouldFailQuorum: false}, // 1
|
|
{dataBlocks: 4, onDisks: 8, offDisks: 0, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 2
|
|
{dataBlocks: 5, onDisks: 10, offDisks: 0, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 1, length: oneMiByte - 1, algorithm: BLAKE2b512, shouldFail: false, shouldFailQuorum: false}, // 3
|
|
{dataBlocks: 6, onDisks: 12, offDisks: 0, blocksize: int64(oneMiByte), data: oneMiByte, offset: oneMiByte, length: 0, algorithm: BLAKE2b512, shouldFail: false, shouldFailQuorum: false},
|
|
// 4
|
|
{dataBlocks: 7, onDisks: 14, offDisks: 0, blocksize: int64(oneMiByte), data: oneMiByte, offset: 3, length: 1024, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 5
|
|
{dataBlocks: 8, onDisks: 16, offDisks: 0, blocksize: int64(oneMiByte), data: oneMiByte, offset: 4, length: 8 * 1024, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 6
|
|
{dataBlocks: 7, onDisks: 14, offDisks: 7, blocksize: int64(blockSizeV1), data: oneMiByte, offset: oneMiByte, length: 1, algorithm: DefaultBitrotAlgorithm, shouldFail: true, shouldFailQuorum: false}, // 7
|
|
{dataBlocks: 6, onDisks: 12, offDisks: 6, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 8
|
|
{dataBlocks: 5, onDisks: 10, offDisks: 5, blocksize: int64(oneMiByte), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: BLAKE2b512, shouldFail: false, shouldFailQuorum: false}, // 9
|
|
{dataBlocks: 4, onDisks: 8, offDisks: 4, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: SHA256, shouldFail: false, shouldFailQuorum: false}, // 10
|
|
{dataBlocks: 3, onDisks: 6, offDisks: 3, blocksize: int64(oneMiByte), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 11
|
|
{dataBlocks: 2, onDisks: 4, offDisks: 2, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 12
|
|
{dataBlocks: 2, onDisks: 4, offDisks: 1, blocksize: int64(oneMiByte), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 13
|
|
{dataBlocks: 3, onDisks: 6, offDisks: 2, blocksize: int64(oneMiByte), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 14
|
|
{dataBlocks: 4, onDisks: 8, offDisks: 3, blocksize: int64(2 * oneMiByte), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 15
|
|
{dataBlocks: 5, onDisks: 10, offDisks: 6, blocksize: int64(oneMiByte), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: true}, // 16
|
|
{dataBlocks: 5, onDisks: 10, offDisks: 2, blocksize: int64(blockSizeV1), data: 2 * oneMiByte, offset: oneMiByte, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 17
|
|
{dataBlocks: 5, onDisks: 10, offDisks: 1, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: BLAKE2b512, shouldFail: false, shouldFailQuorum: false}, // 18
|
|
{dataBlocks: 6, onDisks: 12, offDisks: 3, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: SHA256, shouldFail: false, shouldFailQuorum: false},
|
|
// 19
|
|
{dataBlocks: 6, onDisks: 12, offDisks: 7, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: true}, // 20
|
|
{dataBlocks: 8, onDisks: 16, offDisks: 8, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 21
|
|
{dataBlocks: 8, onDisks: 16, offDisks: 9, blocksize: int64(oneMiByte), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: true}, // 22
|
|
{dataBlocks: 8, onDisks: 16, offDisks: 7, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 23
|
|
{dataBlocks: 2, onDisks: 4, offDisks: 1, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 24
|
|
{dataBlocks: 2, onDisks: 4, offDisks: 0, blocksize: int64(blockSizeV1), data: oneMiByte, offset: 0, length: oneMiByte, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 25
|
|
{dataBlocks: 2, onDisks: 4, offDisks: 0, blocksize: int64(blockSizeV1), data: int64(blockSizeV1) + 1, offset: 0, length: int64(blockSizeV1) + 1, algorithm: BLAKE2b512, shouldFail: false, shouldFailQuorum: false}, // 26
|
|
{dataBlocks: 2, onDisks: 4, offDisks: 0, blocksize: int64(blockSizeV1), data: int64(2 * blockSizeV1), offset: 12, length: int64(blockSizeV1) + 17, algorithm: BLAKE2b512, shouldFail: false, shouldFailQuorum: false}, // 27
|
|
{dataBlocks: 3, onDisks: 6, offDisks: 0, blocksize: int64(blockSizeV1), data: int64(2 * blockSizeV1), offset: 1023, length: int64(blockSizeV1) + 1024, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 28
|
|
{dataBlocks: 4, onDisks: 8, offDisks: 0, blocksize: int64(blockSizeV1), data: int64(2 * blockSizeV1), offset: 11, length: int64(blockSizeV1) + 2*1024, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 29
|
|
{dataBlocks: 6, onDisks: 12, offDisks: 0, blocksize: int64(blockSizeV1), data: int64(2 * blockSizeV1), offset: 512, length: int64(blockSizeV1) + 8*1024, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 30
|
|
{dataBlocks: 8, onDisks: 16, offDisks: 0, blocksize: int64(blockSizeV1), data: int64(2 * blockSizeV1), offset: int64(blockSizeV1), length: int64(blockSizeV1) - 1, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 31
|
|
{dataBlocks: 2, onDisks: 4, offDisks: 0, blocksize: int64(blockSizeV1), data: int64(oneMiByte), offset: -1, length: 3, algorithm: DefaultBitrotAlgorithm, shouldFail: true, shouldFailQuorum: false}, // 32
|
|
{dataBlocks: 2, onDisks: 4, offDisks: 0, blocksize: int64(blockSizeV1), data: int64(oneMiByte), offset: 1024, length: -1, algorithm: DefaultBitrotAlgorithm, shouldFail: true, shouldFailQuorum: false}, // 33
|
|
{dataBlocks: 4, onDisks: 6, offDisks: 0, blocksize: int64(blockSizeV1), data: int64(blockSizeV1), offset: 0, length: int64(blockSizeV1), algorithm: BLAKE2b512, shouldFail: false, shouldFailQuorum: false}, // 34
|
|
{dataBlocks: 4, onDisks: 6, offDisks: 1, blocksize: int64(blockSizeV1), data: int64(2 * blockSizeV1), offset: 12, length: int64(blockSizeV1) + 17, algorithm: BLAKE2b512, shouldFail: false, shouldFailQuorum: false}, // 35
|
|
{dataBlocks: 4, onDisks: 6, offDisks: 3, blocksize: int64(blockSizeV1), data: int64(2 * blockSizeV1), offset: 1023, length: int64(blockSizeV1) + 1024, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: true}, // 36
|
|
{dataBlocks: 8, onDisks: 12, offDisks: 4, blocksize: int64(blockSizeV1), data: int64(2 * blockSizeV1), offset: 11, length: int64(blockSizeV1) + 2*1024, algorithm: DefaultBitrotAlgorithm, shouldFail: false, shouldFailQuorum: false}, // 37
|
|
}
|
|
|
|
func TestErasureDecode(t *testing.T) {
|
|
for i, test := range erasureDecodeTests {
|
|
setup, err := newErasureTestSetup(test.dataBlocks, test.onDisks-test.dataBlocks, test.blocksize)
|
|
if err != nil {
|
|
t.Fatalf("Test %d: failed to create test setup: %v", i, err)
|
|
}
|
|
erasure, err := NewErasure(context.Background(), test.dataBlocks, test.onDisks-test.dataBlocks, test.blocksize)
|
|
if err != nil {
|
|
setup.Remove()
|
|
t.Fatalf("Test %d: failed to create ErasureStorage: %v", i, err)
|
|
}
|
|
disks := setup.disks
|
|
data := make([]byte, test.data)
|
|
if _, err = io.ReadFull(crand.Reader, data); err != nil {
|
|
setup.Remove()
|
|
t.Fatalf("Test %d: failed to generate random test data: %v", i, err)
|
|
}
|
|
|
|
writeAlgorithm := test.algorithm
|
|
if !test.algorithm.Available() {
|
|
writeAlgorithm = DefaultBitrotAlgorithm
|
|
}
|
|
buffer := make([]byte, test.blocksize, 2*test.blocksize)
|
|
writers := make([]io.Writer, len(disks))
|
|
for i, disk := range disks {
|
|
writers[i] = newBitrotWriter(disk, "testbucket", "object", erasure.ShardFileSize(test.data), writeAlgorithm, erasure.ShardSize())
|
|
}
|
|
n, err := erasure.Encode(context.Background(), bytes.NewReader(data[:]), writers, buffer, erasure.dataBlocks+1)
|
|
closeBitrotWriters(writers)
|
|
if err != nil {
|
|
setup.Remove()
|
|
t.Fatalf("Test %d: failed to create erasure test file: %v", i, err)
|
|
}
|
|
if n != test.data {
|
|
setup.Remove()
|
|
t.Fatalf("Test %d: failed to create erasure test file", i)
|
|
}
|
|
for i, w := range writers {
|
|
if w == nil {
|
|
disks[i] = nil
|
|
}
|
|
}
|
|
|
|
// Get the checksums of the current part.
|
|
bitrotReaders := make([]io.ReaderAt, len(disks))
|
|
for index, disk := range disks {
|
|
if disk == OfflineDisk {
|
|
continue
|
|
}
|
|
tillOffset := erasure.ShardFileTillOffset(test.offset, test.length, test.data)
|
|
|
|
bitrotReaders[index] = newBitrotReader(disk, "testbucket", "object", tillOffset, writeAlgorithm, bitrotWriterSum(writers[index]), erasure.ShardSize())
|
|
}
|
|
|
|
writer := bytes.NewBuffer(nil)
|
|
err = erasure.Decode(context.Background(), writer, bitrotReaders, test.offset, test.length, test.data)
|
|
closeBitrotReaders(bitrotReaders)
|
|
if err != nil && !test.shouldFail {
|
|
t.Errorf("Test %d: should pass but failed with: %v", i, err)
|
|
}
|
|
if err == nil && test.shouldFail {
|
|
t.Errorf("Test %d: should fail but it passed", i)
|
|
}
|
|
if err == nil {
|
|
if content := writer.Bytes(); !bytes.Equal(content, data[test.offset:test.offset+test.length]) {
|
|
t.Errorf("Test %d: read retruns wrong file content.", i)
|
|
}
|
|
}
|
|
|
|
for i, r := range bitrotReaders {
|
|
if r == nil {
|
|
disks[i] = OfflineDisk
|
|
}
|
|
}
|
|
if err == nil && !test.shouldFail {
|
|
bitrotReaders = make([]io.ReaderAt, len(disks))
|
|
for index, disk := range disks {
|
|
if disk == OfflineDisk {
|
|
continue
|
|
}
|
|
tillOffset := erasure.ShardFileTillOffset(test.offset, test.length, test.data)
|
|
bitrotReaders[index] = newBitrotReader(disk, "testbucket", "object", tillOffset, writeAlgorithm, bitrotWriterSum(writers[index]), erasure.ShardSize())
|
|
}
|
|
for j := range disks[:test.offDisks] {
|
|
if bitrotReaders[j] == nil {
|
|
continue
|
|
}
|
|
switch r := bitrotReaders[j].(type) {
|
|
case *wholeBitrotReader:
|
|
r.disk = badDisk{nil}
|
|
case *streamingBitrotReader:
|
|
r.disk = badDisk{nil}
|
|
}
|
|
}
|
|
if test.offDisks > 0 {
|
|
bitrotReaders[0] = nil
|
|
}
|
|
writer.Reset()
|
|
err = erasure.Decode(context.Background(), writer, bitrotReaders, test.offset, test.length, test.data)
|
|
closeBitrotReaders(bitrotReaders)
|
|
if err != nil && !test.shouldFailQuorum {
|
|
t.Errorf("Test %d: should pass but failed with: %v", i, err)
|
|
}
|
|
if err == nil && test.shouldFailQuorum {
|
|
t.Errorf("Test %d: should fail but it passed", i)
|
|
}
|
|
if !test.shouldFailQuorum {
|
|
if content := writer.Bytes(); !bytes.Equal(content, data[test.offset:test.offset+test.length]) {
|
|
t.Errorf("Test %d: read retruns wrong file content", i)
|
|
}
|
|
}
|
|
}
|
|
setup.Remove()
|
|
}
|
|
}
|
|
|
|
// Test erasureDecode with random offset and lengths.
|
|
// This test is t.Skip()ed as it a long time to run, hence should be run
|
|
// explicitly after commenting out t.Skip()
|
|
func TestErasureDecodeRandomOffsetLength(t *testing.T) {
|
|
// Comment the following line to run this test.
|
|
t.SkipNow()
|
|
// Initialize environment needed for the test.
|
|
dataBlocks := 7
|
|
parityBlocks := 7
|
|
blockSize := int64(1 * humanize.MiByte)
|
|
setup, err := newErasureTestSetup(dataBlocks, parityBlocks, blockSize)
|
|
if err != nil {
|
|
t.Error(err)
|
|
return
|
|
}
|
|
defer setup.Remove()
|
|
disks := setup.disks
|
|
erasure, err := NewErasure(context.Background(), dataBlocks, parityBlocks, blockSize)
|
|
if err != nil {
|
|
t.Fatalf("failed to create ErasureStorage: %v", err)
|
|
}
|
|
// Prepare a slice of 5MiB with random data.
|
|
data := make([]byte, 5*humanize.MiByte)
|
|
length := int64(len(data))
|
|
_, err = rand.Read(data)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
writers := make([]io.Writer, len(disks))
|
|
for i, disk := range disks {
|
|
if disk == nil {
|
|
continue
|
|
}
|
|
writers[i] = newBitrotWriter(disk, "testbucket", "object", erasure.ShardFileSize(length), DefaultBitrotAlgorithm, erasure.ShardSize())
|
|
}
|
|
|
|
// 10000 iterations with random offsets and lengths.
|
|
iterations := 10000
|
|
|
|
// Create a test file to read from.
|
|
buffer := make([]byte, blockSize, 2*blockSize)
|
|
n, err := erasure.Encode(context.Background(), bytes.NewReader(data), writers, buffer, erasure.dataBlocks+1)
|
|
closeBitrotWriters(writers)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if n != length {
|
|
t.Errorf("erasureCreateFile returned %d, expected %d", n, length)
|
|
}
|
|
|
|
// To generate random offset/length.
|
|
r := rand.New(rand.NewSource(UTCNow().UnixNano()))
|
|
|
|
buf := &bytes.Buffer{}
|
|
|
|
// Verify erasure.Decode() for random offsets and lengths.
|
|
for i := 0; i < iterations; i++ {
|
|
offset := r.Int63n(length)
|
|
readLen := r.Int63n(length - offset)
|
|
|
|
expected := data[offset : offset+readLen]
|
|
|
|
// Get the checksums of the current part.
|
|
bitrotReaders := make([]io.ReaderAt, len(disks))
|
|
for index, disk := range disks {
|
|
if disk == OfflineDisk {
|
|
continue
|
|
}
|
|
tillOffset := erasure.ShardFileTillOffset(offset, readLen, length)
|
|
bitrotReaders[index] = newStreamingBitrotReader(disk, "testbucket", "object", tillOffset, DefaultBitrotAlgorithm, erasure.ShardSize())
|
|
}
|
|
err = erasure.Decode(context.Background(), buf, bitrotReaders, offset, readLen, length)
|
|
closeBitrotReaders(bitrotReaders)
|
|
if err != nil {
|
|
t.Fatal(err, offset, readLen)
|
|
}
|
|
got := buf.Bytes()
|
|
if !bytes.Equal(expected, got) {
|
|
t.Fatalf("read data is different from what was expected, offset=%d length=%d", offset, readLen)
|
|
}
|
|
buf.Reset()
|
|
}
|
|
}
|
|
|
|
// Benchmarks
|
|
|
|
func benchmarkErasureDecode(data, parity, dataDown, parityDown int, size int64, b *testing.B) {
|
|
setup, err := newErasureTestSetup(data, parity, blockSizeV1)
|
|
if err != nil {
|
|
b.Fatalf("failed to create test setup: %v", err)
|
|
}
|
|
defer setup.Remove()
|
|
disks := setup.disks
|
|
erasure, err := NewErasure(context.Background(), data, parity, blockSizeV1)
|
|
if err != nil {
|
|
b.Fatalf("failed to create ErasureStorage: %v", err)
|
|
}
|
|
|
|
writers := make([]io.Writer, len(disks))
|
|
for i, disk := range disks {
|
|
if disk == nil {
|
|
continue
|
|
}
|
|
writers[i] = newBitrotWriter(disk, "testbucket", "object", erasure.ShardFileSize(size), DefaultBitrotAlgorithm, erasure.ShardSize())
|
|
}
|
|
|
|
content := make([]byte, size)
|
|
buffer := make([]byte, blockSizeV1, 2*blockSizeV1)
|
|
_, err = erasure.Encode(context.Background(), bytes.NewReader(content), writers, buffer, erasure.dataBlocks+1)
|
|
closeBitrotWriters(writers)
|
|
if err != nil {
|
|
b.Fatalf("failed to create erasure test file: %v", err)
|
|
}
|
|
|
|
for i := 0; i < dataDown; i++ {
|
|
writers[i] = nil
|
|
}
|
|
for i := data; i < data+parityDown; i++ {
|
|
writers[i] = nil
|
|
}
|
|
|
|
b.ResetTimer()
|
|
b.SetBytes(size)
|
|
b.ReportAllocs()
|
|
for i := 0; i < b.N; i++ {
|
|
bitrotReaders := make([]io.ReaderAt, len(disks))
|
|
for index, disk := range disks {
|
|
if writers[index] == nil {
|
|
continue
|
|
}
|
|
tillOffset := erasure.ShardFileTillOffset(0, size, size)
|
|
bitrotReaders[index] = newStreamingBitrotReader(disk, "testbucket", "object", tillOffset, DefaultBitrotAlgorithm, erasure.ShardSize())
|
|
}
|
|
if err = erasure.Decode(context.Background(), bytes.NewBuffer(content[:0]), bitrotReaders, 0, size, size); err != nil {
|
|
panic(err)
|
|
}
|
|
closeBitrotReaders(bitrotReaders)
|
|
}
|
|
}
|
|
|
|
func BenchmarkErasureDecodeQuick(b *testing.B) {
|
|
const size = 12 * 1024 * 1024
|
|
b.Run(" 00|00 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 0, 0, size, b) })
|
|
b.Run(" 00|X0 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 0, 1, size, b) })
|
|
b.Run(" X0|00 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 1, 0, size, b) })
|
|
b.Run(" X0|X0 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 1, 1, size, b) })
|
|
}
|
|
|
|
func BenchmarkErasureDecode_4_64KB(b *testing.B) {
|
|
const size = 64 * 1024
|
|
b.Run(" 00|00 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 0, 0, size, b) })
|
|
b.Run(" 00|X0 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 0, 1, size, b) })
|
|
b.Run(" X0|00 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 1, 0, size, b) })
|
|
b.Run(" X0|X0 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 1, 1, size, b) })
|
|
b.Run(" 00|XX ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 0, 2, size, b) })
|
|
b.Run(" XX|00 ", func(b *testing.B) { benchmarkErasureDecode(2, 2, 2, 0, size, b) })
|
|
}
|
|
|
|
func BenchmarkErasureDecode_8_20MB(b *testing.B) {
|
|
const size = 20 * 1024 * 1024
|
|
b.Run(" 0000|0000 ", func(b *testing.B) { benchmarkErasureDecode(4, 4, 0, 0, size, b) })
|
|
b.Run(" 0000|X000 ", func(b *testing.B) { benchmarkErasureDecode(4, 4, 0, 1, size, b) })
|
|
b.Run(" X000|0000 ", func(b *testing.B) { benchmarkErasureDecode(4, 4, 1, 0, size, b) })
|
|
b.Run(" X000|X000 ", func(b *testing.B) { benchmarkErasureDecode(4, 4, 1, 1, size, b) })
|
|
b.Run(" 0000|XXXX ", func(b *testing.B) { benchmarkErasureDecode(4, 4, 0, 4, size, b) })
|
|
b.Run(" XX00|XX00 ", func(b *testing.B) { benchmarkErasureDecode(4, 4, 2, 2, size, b) })
|
|
b.Run(" XXXX|0000 ", func(b *testing.B) { benchmarkErasureDecode(4, 4, 4, 0, size, b) })
|
|
}
|
|
|
|
func BenchmarkErasureDecode_12_30MB(b *testing.B) {
|
|
const size = 30 * 1024 * 1024
|
|
b.Run(" 000000|000000 ", func(b *testing.B) { benchmarkErasureDecode(6, 6, 0, 0, size, b) })
|
|
b.Run(" 000000|X00000 ", func(b *testing.B) { benchmarkErasureDecode(6, 6, 0, 1, size, b) })
|
|
b.Run(" X00000|000000 ", func(b *testing.B) { benchmarkErasureDecode(6, 6, 1, 0, size, b) })
|
|
b.Run(" X00000|X00000 ", func(b *testing.B) { benchmarkErasureDecode(6, 6, 1, 1, size, b) })
|
|
b.Run(" 000000|XXXXXX ", func(b *testing.B) { benchmarkErasureDecode(6, 6, 0, 6, size, b) })
|
|
b.Run(" XXX000|XXX000 ", func(b *testing.B) { benchmarkErasureDecode(6, 6, 3, 3, size, b) })
|
|
b.Run(" XXXXXX|000000 ", func(b *testing.B) { benchmarkErasureDecode(6, 6, 6, 0, size, b) })
|
|
}
|
|
|
|
func BenchmarkErasureDecode_16_40MB(b *testing.B) {
|
|
const size = 40 * 1024 * 1024
|
|
b.Run(" 00000000|00000000 ", func(b *testing.B) { benchmarkErasureDecode(8, 8, 0, 0, size, b) })
|
|
b.Run(" 00000000|X0000000 ", func(b *testing.B) { benchmarkErasureDecode(8, 8, 0, 1, size, b) })
|
|
b.Run(" X0000000|00000000 ", func(b *testing.B) { benchmarkErasureDecode(8, 8, 1, 0, size, b) })
|
|
b.Run(" X0000000|X0000000 ", func(b *testing.B) { benchmarkErasureDecode(8, 8, 1, 1, size, b) })
|
|
b.Run(" 00000000|XXXXXXXX ", func(b *testing.B) { benchmarkErasureDecode(8, 8, 0, 8, size, b) })
|
|
b.Run(" XXXX0000|XXXX0000 ", func(b *testing.B) { benchmarkErasureDecode(8, 8, 4, 4, size, b) })
|
|
b.Run(" XXXXXXXX|00000000 ", func(b *testing.B) { benchmarkErasureDecode(8, 8, 8, 0, size, b) })
|
|
}
|
|
|