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only set lookup cache when successful
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4b7b439be9
commit
a437d77431
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@ -28,8 +28,9 @@ var (
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func Lookup(server string, vid string) (ret *LookupResult, err error) {
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locations, cache_err := vc.Get(vid)
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if cache_err != nil {
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ret, err = do_lookup(server, vid)
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if ret, err = do_lookup(server, vid); err == nil {
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vc.Set(vid, ret.Locations, 1*time.Minute)
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}
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} else {
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ret = &LookupResult{VolumeId: vid, Locations: locations}
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}
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