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only set lookup cache when successful

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This commit is contained in:
Chris Lu
2014-06-02 09:22:23 -07:00
parent 4b7b439be9
commit a437d77431
1 changed files with 3 additions and 2 deletions
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5
go/operation/lookup.go
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@@ -28,8 +28,9 @@ var (
func Lookup(server string, vid string) (ret *LookupResult, err error) { func Lookup(server string, vid string) (ret *LookupResult, err error) {
locations, cache_err := vc.Get(vid) locations, cache_err := vc.Get(vid)
if cache_err != nil { if cache_err != nil {
ret, err = do_lookup(server, vid) if ret, err = do_lookup(server, vid); err == nil {
vc.Set(vid, ret.Locations, 1*time.Minute) vc.Set(vid, ret.Locations, 1*time.Minute)
}
} else { } else {
ret = &LookupResult{VolumeId: vid, Locations: locations} ret = &LookupResult{VolumeId: vid, Locations: locations}
} }