MyFavMirrors/minio
1
0
Fork 0
mirror of https://github.com/minio/minio.git synced 2024-12-23 21:55:53 -05:00
Code Issues Packages Projects Releases Wiki Activity

fix: legacy objects with 10MiB blockSize should use right buffers (#12459)

Browse Source 
healing code was using incorrect buffers to heal older
objects with 10MiB erasure blockSize, incorrect calculation
of such buffers can lead to incorrect premature closure of
io.Pipe() during healing.

fixes #12410
This commit is contained in:
Harshavardhana 2021-06-07 10:06:06 -07:00 committed by GitHub
parent dd2831c1a0
commit 542fe4ea2e
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 20 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
cmd/erasure-healing.go
View File

@ -443,7 +443,10 @@ func (er erasureObjects) healObject(ctx context.Context, bucket string, object s
}
erasureInfo := latestMeta.Erasure
bp := er.bp
if erasureInfo.BlockSize == blockSizeV1 {
bp = er.bpOld
}
for partIndex := 0; partIndex < len(latestMeta.Parts); partIndex++ {
partSize := latestMeta.Parts[partIndex].Size
partActualSize := latestMeta.Parts[partIndex].ActualSize
@ -457,7 +460,8 @@ func (er erasureObjects) healObject(ctx context.Context, bucket string, object s
}
checksumInfo := copyPartsMetadata[i].Erasure.GetChecksumInfo(partNumber)
partPath := pathJoin(object, srcDataDir, fmt.Sprintf("part.%d", partNumber))
readers[i] = newBitrotReader(disk, partsMetadata[i].Data, bucket, partPath, tillOffset, checksumAlgo, checksumInfo.Hash, erasure.ShardSize())
readers[i] = newBitrotReader(disk, partsMetadata[i].Data, bucket, partPath, tillOffset, checksumAlgo,
checksumInfo.Hash, erasure.ShardSize())
}
writers := make([]io.Writer, len(outDatedDisks))
for i, disk := range outDatedDisks {
@ -473,7 +477,7 @@ func (er erasureObjects) healObject(ctx context.Context, bucket string, object s
tillOffset, DefaultBitrotAlgorithm, erasure.ShardSize())
}
}
err = erasure.Heal(ctx, readers, writers, partSize, er.bp)
err = erasure.Heal(ctx, readers, writers, partSize, bp)
closeBitrotReaders(readers)
closeBitrotWriters(writers)
if err != nil {

9
cmd/erasure-sets.go
View File

@ -391,6 +391,14 @@ func newErasureSets(ctx context.Context, endpoints Endpoints, storageDisks []Sto
// setCount * setDriveCount with each memory upto blockSizeV2.
bp := bpool.NewBytePoolCap(n, blockSizeV2, blockSizeV2*2)
// Initialize byte pool for all sets, bpool size is set to
// setCount * setDriveCount with each memory upto blockSizeV1
//
// Number of buffers, max 10GiB
m := (10 * humanize.GiByte) / (blockSizeV1 * 2)
bpOld := bpool.NewBytePoolCap(m, blockSizeV1, blockSizeV1*2)
for i := 0; i < setCount; i++ {
s.erasureDisks[i] = make([]StorageAPI, setDriveCount)
}
@ -440,6 +448,7 @@ func newErasureSets(ctx context.Context, endpoints Endpoints, storageDisks []Sto
deletedCleanupSleeper: newDynamicSleeper(10, 2*time.Second),
nsMutex: mutex,
bp: bp,
bpOld: bpOld,
mrfOpCh: make(chan partialOperation, 10000),
}
}

4
cmd/erasure.go
View File

@ -74,6 +74,10 @@ type erasureObjects struct {
// Byte pools used for temporary i/o buffers.
bp *bpool.BytePoolCap
// Byte pools used for temporary i/o buffers,
// legacy objects.
bpOld *bpool.BytePoolCap
mrfOpCh chan partialOperation
deletedCleanupSleeper *dynamicSleeper