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XL: Fix GetObject erasure decode issues. (#1793)

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Harshavardhana
2016-05-29 15:38:14 -07:00
parent 5e8de786b3
commit a4a0ea605b
12 changed files with 154 additions and 146 deletions
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9
xl-v1-metadata.go
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@@ -25,9 +25,8 @@ import (
"time"
)
// Erasure block size.
const (
erasureBlockSize = 4 * 1024 * 1024 // 4MiB.
// Erasure related constants.
erasureAlgorithmKlauspost = "klauspost/reedsolomon/vandermonde"
erasureAlgorithmISAL = "isa-l/reedsolomon/cauchy"
)
@@ -140,8 +139,8 @@ func (xl xlObjects) readXLMetadata(bucket, object string) (xlMeta xlMetaV1, err
// Count for errors encountered.
var xlJSONErrCount = 0
// Allocate 4MiB buffer.
buffer := make([]byte, blockSize)
// Allocate 10MiB buffer.
buffer := make([]byte, blockSizeV1)
// Return the first successful lookup from a random list of disks.
for xlJSONErrCount < len(xl.storageDisks) {
@@ -168,7 +167,7 @@ func newXLMetaV1(dataBlocks, parityBlocks int) (xlMeta xlMetaV1) {
xlMeta.Erasure.Algorithm = erasureAlgorithmKlauspost
xlMeta.Erasure.DataBlocks = dataBlocks
xlMeta.Erasure.ParityBlocks = parityBlocks
xlMeta.Erasure.BlockSize = erasureBlockSize
xlMeta.Erasure.BlockSize = blockSizeV1
xlMeta.Erasure.Distribution = randErasureDistribution(dataBlocks + parityBlocks)
return xlMeta
}