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peerstore: remove sync.Pool for expiringAddrs #3093

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peerstore: remove sync.Pool for expiringAddrs #3093

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c910dfb
improve GetAndClearAddrs benchmark
sukunrt Dec 8, 2024
7569dfa
remove the pool for expiringAddrs
sukunrt Dec 8, 2024
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28 changes: 2 additions & 26 deletions p2p/host/peerstore/pstoremem/addr_book.go
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Original file line number Diff line number Diff line change
Expand Up @@ -42,22 +42,6 @@ func ttlIsConnected(ttl time.Duration) bool {
return ttl >= peerstore.ConnectedAddrTTL
}

var expiringAddrPool = sync.Pool{New: func() any { return &expiringAddr{} }}

func getExpiringAddrs() *expiringAddr {
a := expiringAddrPool.Get().(*expiringAddr)
a.heapIndex = -1
return a
}

func putExpiringAddrs(ea *expiringAddr) {
if ea == nil {
return
}
*ea = expiringAddr{}
expiringAddrPool.Put(ea)
}

type peerRecordState struct {
Envelope *record.Envelope
Seq uint64
Expand Down Expand Up @@ -280,7 +264,6 @@ func (mab *memoryAddrBook) gc() {
if !ok {
return
}
putExpiringAddrs(ea)
mab.maybeDeleteSignedPeerRecordUnlocked(ea.Peer)
}
}
Expand Down Expand Up @@ -382,8 +365,7 @@ func (mab *memoryAddrBook) addAddrsUnlocked(p peer.ID, addrs []ma.Multiaddr, ttl
a, found := mab.addrs.FindAddr(p, addr)
if !found {
// not found, announce it.
entry := getExpiringAddrs()
*entry = expiringAddr{Addr: addr, Expiry: exp, TTL: ttl, Peer: p}
entry := &expiringAddr{Addr: addr, Expiry: exp, TTL: ttl, Peer: p}
mab.addrs.Insert(entry)
mab.subManager.BroadcastAddr(p, addr)
} else {
Expand Down Expand Up @@ -433,7 +415,6 @@ func (mab *memoryAddrBook) SetAddrs(p peer.ID, addrs []ma.Multiaddr, ttl time.Du
if ttl > 0 {
if a.IsConnected() && !ttlIsConnected(ttl) && mab.addrs.NumUnconnectedAddrs() >= mab.maxUnconnectedAddrs {
mab.addrs.Delete(a)
putExpiringAddrs(a)
} else {
a.Addr = addr
a.Expiry = exp
Expand All @@ -443,15 +424,13 @@ func (mab *memoryAddrBook) SetAddrs(p peer.ID, addrs []ma.Multiaddr, ttl time.Du
}
} else {
mab.addrs.Delete(a)
putExpiringAddrs(a)
}
} else {
if ttl > 0 {
if !ttlIsConnected(ttl) && mab.addrs.NumUnconnectedAddrs() >= mab.maxUnconnectedAddrs {
continue
}
entry := getExpiringAddrs()
*entry = expiringAddr{Addr: addr, Expiry: exp, TTL: ttl, Peer: p}
entry := &expiringAddr{Addr: addr, Expiry: exp, TTL: ttl, Peer: p}
mab.addrs.Insert(entry)
mab.subManager.BroadcastAddr(p, addr)
}
Expand All @@ -472,12 +451,10 @@ func (mab *memoryAddrBook) UpdateAddrs(p peer.ID, oldTTL time.Duration, newTTL t
if oldTTL == a.TTL {
if newTTL == 0 {
mab.addrs.Delete(a)
putExpiringAddrs(a)
} else {
// We are over limit, drop these addresses.
if ttlIsConnected(oldTTL) && !ttlIsConnected(newTTL) && mab.addrs.NumUnconnectedAddrs() >= mab.maxUnconnectedAddrs {
mab.addrs.Delete(a)
putExpiringAddrs(a)
} else {
a.TTL = newTTL
a.Expiry = exp
Expand Down Expand Up @@ -541,7 +518,6 @@ func (mab *memoryAddrBook) ClearAddrs(p peer.ID) {
delete(mab.signedPeerRecords, p)
for _, a := range mab.addrs.Addrs[p] {
mab.addrs.Delete(a)
putExpiringAddrs(a)
}
}

Expand Down
17 changes: 13 additions & 4 deletions p2p/host/peerstore/test/benchmarks_suite.go
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Original file line number Diff line number Diff line change
Expand Up @@ -36,11 +36,20 @@ func BenchmarkPeerstore(b *testing.B, factory PeerstoreFactory, variant string)
ps, cleanup := factory()
defer cleanup()
b.ResetTimer()
itersPerBM := 10
for i := 0; i < b.N; i++ {
pp := peers[i%N]
ps.AddAddrs(pp.ID, pp.Addr, pstore.RecentlyConnectedAddrTTL)
ps.Addrs(pp.ID)
ps.ClearAddrs(pp.ID)
for j := 0; j < itersPerBM; j++ {
pp := peers[(i+j)%N]
ps.AddAddrs(pp.ID, pp.Addr, pstore.RecentlyConnectedAddrTTL)
}
for j := 0; j < itersPerBM; j++ {
pp := peers[(i+j)%N]
ps.Addrs(pp.ID)
}
for j := 0; j < itersPerBM; j++ {
pp := peers[(i+j)%N]
ps.ClearAddrs(pp.ID)
}
}
})

Expand Down
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