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mount: improve read performance on random reads

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This commit is contained in:
chrislu
2021-12-19 22:43:14 -08:00
parent 85c526c583
commit a152f17937
5 changed files with 66 additions and 7 deletions
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9
weed/filer/filechunk_manifest.go
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@@ -101,6 +101,15 @@ func fetchChunk(lookupFileIdFn wdclient.LookupFileIdFunctionType, fileId string,
return retriedFetchChunkData(urlStrings, cipherKey, isGzipped, true, 0, 0)
}
func fetchChunkRange(lookupFileIdFn wdclient.LookupFileIdFunctionType, fileId string, cipherKey []byte, isGzipped bool, offset int64, size int) ([]byte, error) {
urlStrings, err := lookupFileIdFn(fileId)
if err != nil {
glog.Errorf("operation LookupFileId %s failed, err: %v", fileId, err)
return nil, err
}
return retriedFetchChunkData(urlStrings, cipherKey, isGzipped, false, offset, size)
}
func retriedFetchChunkData(urlStrings []string, cipherKey []byte, isGzipped bool, isFullChunk bool, offset int64, size int) ([]byte, error) {
var err error