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archiver: Improve memory usage, tune buffer pool

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This commit is contained in:
Alexander Neumann 2018-04-29 13:20:12 +02:00
parent d80e108b03
commit 400730afca
2 changed files with 14 additions and 5 deletions
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6
internal/archiver/archiver.go
View File

@ -720,7 +720,11 @@ func (arch *Archiver) loadParentTree(ctx context.Context, snapshotID restic.ID)
// runWorkers starts the worker pools, which are stopped when the context is cancelled.
func (arch *Archiver) runWorkers(ctx context.Context) {
arch.blobSaver = NewBlobSaver(ctx, arch.Repo, arch.Options.SaveBlobConcurrency)
arch.fileSaver = NewFileSaver(ctx, arch.FS, arch.blobSaver, arch.Repo.Config().ChunkerPolynomial, arch.Options.FileReadConcurrency)
arch.fileSaver = NewFileSaver(ctx,
arch.FS,
arch.blobSaver,
arch.Repo.Config().ChunkerPolynomial,
arch.Options.FileReadConcurrency, arch.Options.SaveBlobConcurrency)
arch.fileSaver.CompleteBlob = arch.CompleteBlob
arch.fileSaver.NodeFromFileInfo = arch.nodeFromFileInfo

13
internal/archiver/file_saver.go
View File

@ -63,20 +63,25 @@ type FileSaver struct {
// NewFileSaver returns a new file saver. A worker pool with workers is
// started, it is stopped when ctx is cancelled.
func NewFileSaver(ctx context.Context, fs fs.FS, blobSaver *BlobSaver, pol chunker.Pol, workers uint) *FileSaver {
ch := make(chan saveFileJob, workers)
func NewFileSaver(ctx context.Context, fs fs.FS, blobSaver *BlobSaver, pol chunker.Pol, fileWorkers, blobWorkers uint) *FileSaver {
ch := make(chan saveFileJob, fileWorkers)
poolSize := fileWorkers
if blobWorkers > fileWorkers {
poolSize = blobWorkers
}
s := &FileSaver{
fs: fs,
blobSaver: blobSaver,
saveFilePool: NewBufferPool(ctx, 3*int(workers), chunker.MaxSize/4),
saveFilePool: NewBufferPool(ctx, int(poolSize)*3/2, chunker.MaxSize/2),
pol: pol,
ch: ch,
CompleteBlob: func(string, uint64) {},
}
for i := uint(0); i < workers; i++ {
for i := uint(0); i < fileWorkers; i++ {
s.wg.Add(1)
go s.worker(ctx, &s.wg, ch)
}