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Make blockSize as constant

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This commit is contained in:
Harshavardhana 2015-03-16 18:20:01 -07:00
parent a8c8e4d335
commit b495f15178
1 changed files with 10 additions and 6 deletions
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16
pkg/storage/encoded/encoded.go
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@ -19,13 +19,14 @@ package encoded
import ( import (
"bytes" "bytes"
"errors" "errors"
"io"
"strconv"
"time"
"github.com/minio-io/minio/pkg/donutbox" "github.com/minio-io/minio/pkg/donutbox"
"github.com/minio-io/minio/pkg/encoding/erasure" "github.com/minio-io/minio/pkg/encoding/erasure"
"github.com/minio-io/minio/pkg/storage" "github.com/minio-io/minio/pkg/storage"
"github.com/minio-io/minio/pkg/utils/split" "github.com/minio-io/minio/pkg/utils/split"
"io"
"strconv"
"time"
) )
// StorageDriver creates a new single disk storage driver using donut without encoding. // StorageDriver creates a new single disk storage driver using donut without encoding.
@ -33,6 +34,10 @@ type StorageDriver struct {
donutBox donutbox.DonutBox donutBox donutbox.DonutBox
} }
const (
blockSize = 10 * 1024 * 1024
)
// Start a single disk subsystem // Start a single disk subsystem
func Start(donutBox donutbox.DonutBox) (chan<- string, <-chan error, storage.Storage) { func Start(donutBox donutbox.DonutBox) (chan<- string, <-chan error, storage.Storage) {
ctrlChannel := make(chan string) ctrlChannel := make(chan string)
@ -79,7 +84,7 @@ func (diskStorage StorageDriver) GetObject(target io.Writer, bucket, key string)
return 0, errors.New("Cannot parse erasureM") return 0, errors.New("Cannot parse erasureM")
} }
columnCount := k + m columnCount := k + m
blockSize, err := strconv.Atoi(metadata["blockSize"]) bs, err := strconv.Atoi(metadata["blockSize"])
if err != nil { if err != nil {
return 0, errors.New("Cannot parse blockSize") return 0, errors.New("Cannot parse blockSize")
} }
@ -87,7 +92,7 @@ func (diskStorage StorageDriver) GetObject(target io.Writer, bucket, key string)
if err != nil { if err != nil {
return 0, errors.New("Cannot parse length") return 0, errors.New("Cannot parse length")
} }
chunkCount := size/blockSize + 1 chunkCount := size/bs + 1
var readers []io.Reader var readers []io.Reader
for column := 0; column < columnCount; column++ { for column := 0; column < columnCount; column++ {
reader, err := diskStorage.donutBox.GetObjectReader(bucket, key, uint(column)) reader, err := diskStorage.donutBox.GetObjectReader(bucket, key, uint(column))
@ -164,7 +169,6 @@ func (diskStorage StorageDriver) ListObjects(bucket string, resources storage.Bu
// CreateObject creates a new object // CreateObject creates a new object
func (diskStorage StorageDriver) CreateObject(bucketKey string, objectKey string, contentType string, reader io.Reader) error { func (diskStorage StorageDriver) CreateObject(bucketKey string, objectKey string, contentType string, reader io.Reader) error {
blockSize := 10 * 1024 * 1024
// split stream // split stream
splitStream := split.Stream(reader, uint64(blockSize)) splitStream := split.Stream(reader, uint64(blockSize))
writers := make([]*donutbox.NewObject, 16) writers := make([]*donutbox.NewObject, 16)