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fix: calculate expected cost for sorting peers

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This commit is contained in:
Yang 2020-01-19 13:48:15 +08:00
parent 6d6d82a304
commit 489ecef47b
1 changed files with 2 additions and 2 deletions
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4
chain/blocksync/blocksync_client.go
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@ -455,7 +455,7 @@ func (bpt *bsPeerTracker) prefSortedPeers() []peer.ID {
getPeerInitLat := func(p peer.ID) float64 {
var res float64
if bpt.pmgr != nil {
if lat, ok := bpt.pmgr.GetPeerLatency(out[i]); ok {
if lat, ok := bpt.pmgr.GetPeerLatency(p); ok {
res = float64(lat)
}
}
@ -476,7 +476,7 @@ func (bpt *bsPeerTracker) prefSortedPeers() []peer.ID {
failRateJ := float64(pj.failures) / float64(pj.failures+pj.successes)
costJ = float64(pj.averageTime) + failRateJ*float64(bpt.avgGlobalTime)
} else {
costI = getPeerInitLat(out[i])
costJ = getPeerInitLat(out[j])
}
return costI < costJ