add in some extra debug logging, and increase routing table latencies

routing/dht/dht.go

@@ -67,8 +67,8 @@ func NewDHT(p *peer.Peer, ps peer.Peerstore, net inet.Network, sender inet.Sende
 	dht.providers = NewProviderManager(p.ID)
 
 	dht.routingTables = make([]*kb.RoutingTable, 3)
-	dht.routingTables[0] = kb.NewRoutingTable(20, kb.ConvertPeerID(p.ID), time.Millisecond*30)
-	dht.routingTables[1] = kb.NewRoutingTable(20, kb.ConvertPeerID(p.ID), time.Millisecond*100)
+	dht.routingTables[0] = kb.NewRoutingTable(20, kb.ConvertPeerID(p.ID), time.Millisecond*1000)
+	dht.routingTables[1] = kb.NewRoutingTable(20, kb.ConvertPeerID(p.ID), time.Millisecond*1000)
 	dht.routingTables[2] = kb.NewRoutingTable(20, kb.ConvertPeerID(p.ID), time.Hour)
 	dht.birth = time.Now()
 	return dht

routing/dht/handlers.go

@@ -137,6 +137,7 @@ func (dht *IpfsDHT) handleGetProviders(p *peer.Peer, pmes *Message) (*Message, e
 	resp := newMessage(pmes.GetType(), pmes.GetKey(), pmes.GetClusterLevel())
 
 	// check if we have this value, to add ourselves as provider.
+	log.Debug("handling GetProviders: '%s'", pmes.GetKey())
 	dsk := u.Key(pmes.GetKey()).DsKey()
 	has, err := dht.datastore.Has(dsk)
 	if err != nil && err != ds.ErrNotFound {

routing/dht/routing.go

@@ -192,6 +192,7 @@ func (dht *IpfsDHT) FindProviders(ctx context.Context, key u.Key) ([]*peer.Peer,
 	log.Debug("Find providers for: '%s'", key)
 	p := dht.routingTables[0].NearestPeer(kb.ConvertKey(key))
 	if p == nil {
+		log.Warning("Got no nearest peer for find providers: '%s'", key)
 		return nil, nil
 	}
 

routing/kbucket/table.go

@@ -11,6 +11,8 @@ import (
 	u "github.com/jbenet/go-ipfs/util"
 )
 
+var log = u.Logger("table")
+
 // RoutingTable defines the routing table.
 type RoutingTable struct {
 
@@ -138,6 +140,8 @@ func (rt *RoutingTable) NearestPeer(id ID) *peer.Peer {
 	if len(peers) > 0 {
 		return peers[0]
 	}
+
+	log.Error("NearestPeer: Returning nil, table size = %d", rt.Size())
 	return nil
 }