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优化open file cache，现在能缓存header

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This commit is contained in:
GoEdgeLab
2022-01-13 15:18:49 +08:00
parent 07e1d422d7
commit 3bdbff283e
3 changed files with 54 additions and 18 deletions
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22
internal/caches/storage_file.go
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@@ -255,17 +255,16 @@ func (this *FileStorage) openReader(key string, allowMemory bool, useStale bool)
}
var fp *os.File
var err error
var meta []byte
if openFile != nil {
fp, meta = openFile.fp, openFile.meta
} else {
if openFile == nil {
fp, err = os.OpenFile(path, os.O_RDONLY, 0444)
}
if err != nil {
if !os.IsNotExist(err) {
return nil, err
if err != nil {
if !os.IsNotExist(err) {
return nil, err
}
return nil, ErrNotFound
}
return nil, ErrNotFound
} else {
fp = openFile.fp
}
defer func() {
if !isOk {
@@ -274,12 +273,9 @@ func (this *FileStorage) openReader(key string, allowMemory bool, useStale bool)
}
}()
reader := NewFileReader(fp)
var reader = NewFileReader(fp)
reader.openFile = openFile
reader.openFileCache = this.openFileCache
if len(meta) > 0 {
reader.meta = meta
}
err = reader.Init()
if err != nil {
return nil, err