func BenchmarkGotomic(b *testing.B) {
h := gotomic.NewHash()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
key := uint64(rand.Int63())
_, has := h.Get(gotomic.IntKey(key))
if !has {
l := posting.NewList()
h.Put(gotomic.IntKey(key), l)
}
}
})
}
func (s GotomicMap) Get(key uint32) (uint32, bool) {
val, found := s.h.Get(gotomic.IntKey(key))
if val == nil {
return 0, false
}
return uint32(val.(gotomic.IntKey)), found
}
func (l *List) init(key []byte, pstore *store.Store, clog *commit.Logger) {
l.Lock()
defer l.Unlock()
defer l.wg.Done()
if len(empty) == 0 {
glog.Fatal("empty should have some bytes.")
}
l.key = key
l.pstore = pstore
l.clog = clog
posting := l.getPostingList()
l.maxMutationTs = posting.CommitTs()
l.hash = farm.Fingerprint32(key)
l.ghash = gotomic.IntKey(farm.Fingerprint64(key))
l.mlayer = make(map[int]types.Posting)
if clog == nil {
return
}
glog.Debug("Starting stream entries...")
err := clog.StreamEntries(posting.CommitTs()+1, l.hash,
func(hdr commit.Header, buffer []byte) {
uo := flatbuffers.GetUOffsetT(buffer)
m := new(types.Posting)
m.Init(buffer, uo)
if m.Ts() > l.maxMutationTs {
l.maxMutationTs = m.Ts()
}
glog.WithFields(logrus.Fields{
"uid": m.Uid(),
"source": string(m.Source()),
"ts": m.Ts(),
}).Debug("Got entry from log")
l.mergeMutation(m)
})
if err != nil {
glog.WithError(err).Error("While streaming entries.")
}
glog.Debug("Done streaming entries.")
}
func GetOrCreate(key []byte, pstore *store.Store) *List {
stopTheWorld.RLock()
defer stopTheWorld.RUnlock()
uid := farm.Fingerprint64(key)
ukey := gotomic.IntKey(uid)
lp, _ := lhmap.Get(ukey)
if lp != nil {
return lp.(*List)
}
l := NewList()
if inserted := lhmap.PutIfMissing(ukey, l); inserted {
l.init(key, pstore, clog)
return l
} else {
lp, _ = lhmap.Get(ukey)
return lp.(*List)
}
}
func (s GotomicMap) Put(key, val uint32) {
s.h.Put(gotomic.IntKey(key), gotomic.IntKey(val))
}