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adjust compression threshold

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This commit is contained in:
Chris Lu 2020-10-23 23:05:55 -07:00
parent 12eafd634d
commit ef9c32ea0d
2 changed files with 5 additions and 3 deletions
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6
weed/filesys/dirty_page.go
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@ -9,10 +9,12 @@ import (
"github.com/chrislusf/seaweedfs/weed/glog"
"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
"github.com/chrislusf/seaweedfs/weed/util"
)
var (
concurrentWriterLimit = runtime.NumCPU()
concurrentWriters = util.NewLimitedConcurrentExecutor(4 * concurrentWriterLimit)
)
type ContinuousDirtyPages struct {
@ -107,7 +109,7 @@ func (pages *ContinuousDirtyPages) saveToStorage(reader io.Reader, offset int64,
mtime := time.Now().UnixNano()
pages.writeWaitGroup.Add(1)
go func() {
concurrentWriters.Execute(func() {
defer pages.writeWaitGroup.Done()
dir, _ := pages.f.fullpath().DirAndName()
@ -123,7 +125,7 @@ func (pages *ContinuousDirtyPages) saveToStorage(reader io.Reader, offset int64,
pages.collection, pages.replication = collection, replication
pages.f.addChunks([]*filer_pb.FileChunk{chunk})
glog.V(3).Infof("%s saveToStorage [%d,%d)", pages.f.fullpath(), offset, offset+size)
}()
})
}
func max(x, y int64) int64 {

2
weed/operation/upload_content.go
View file

@ -119,7 +119,7 @@ func doUploadData(uploadUrl string, filename string, cipher bool, data []byte, i
}
if shouldBeCompressed, iAmSure := util.IsCompressableFileType(filepath.Base(filename), mtype); iAmSure && shouldBeCompressed {
shouldGzipNow = true
} else if !iAmSure && mtype == "" && len(data) > 128 {
} else if !iAmSure && mtype == "" && len(data) > 16*1024 {
var compressed []byte
compressed, err = util.GzipData(data[0:128])
shouldGzipNow = len(compressed)*10 < 128*9 // can not compress to less than 90%