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fix sim and tune dht to bootstrap a little faster

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This commit is contained in:
Arceliar 2018-11-16 19:32:12 -06:00
parent 289f1ce7c2
commit ef6cece720
2 changed files with 12 additions and 6 deletions
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2
misc/sim/treesim.go
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@ -439,7 +439,7 @@ func main() {
pingNodes(kstore)
//pingBench(kstore) // Only after disabling debug output
//stressTest(kstore)
time.Sleep(120 * time.Second)
//time.Sleep(120 * time.Second)
dumpDHTSize(kstore) // note that this uses racey functions to read things...
if false {
// This connects the sim to the local network

12
src/yggdrasil/dht.go
View File

@ -82,10 +82,16 @@ func (t *dht) lookup(nodeID *NodeID, everything bool) []*dhtInfo {
for _, info := range t.table {
results = append(results, info)
}
if len(results) > dht_lookup_size {
// Drop the middle part, so we keep some nodes before and after.
// This should help to bootstrap / recover more quickly.
sort.SliceStable(results, func(i, j int) bool {
return dht_ordered(nodeID, results[i].getNodeID(), results[j].getNodeID())
})
if len(results) > dht_lookup_size {
newRes := make([]*dhtInfo, 0, len(results))
newRes = append(newRes, results[len(results)-dht_lookup_size/2:]...)
newRes = append(newRes, results[:len(results)-dht_lookup_size/2]...)
results = newRes
results = results[:dht_lookup_size]
}
return results
@ -168,7 +174,7 @@ func (t *dht) handleReq(req *dhtReq) {
coords: req.Coords,
}
if _, isIn := t.table[*info.getNodeID()]; !isIn && t.isImportant(&info) {
t.insert(&info)
t.ping(&info, nil)
}
}
@ -276,7 +282,7 @@ func (t *dht) doMaintenance() {
}
for _, info := range t.getImportant() {
if now.Sub(info.recv) > info.throttle {
t.ping(info, info.getNodeID())
t.ping(info, nil)
info.pings++
info.throttle += time.Second
if info.throttle > 30*time.Second {