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Expand Our TTL for our Message ID Cache #13770

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merged 1 commit into from
Mar 21, 2024
Merged

Expand Our TTL for our Message ID Cache #13770

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2 changes: 1 addition & 1 deletion beacon-chain/p2p/parameter_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -22,7 +22,7 @@ func TestGossipParameters(t *testing.T) {
pms := pubsubGossipParam()
assert.Equal(t, gossipSubMcacheLen, pms.HistoryLength, "gossipSubMcacheLen")
assert.Equal(t, gossipSubMcacheGossip, pms.HistoryGossip, "gossipSubMcacheGossip")
assert.Equal(t, gossipSubSeenTTL, int(pubsub.TimeCacheDuration.Milliseconds()/pms.HeartbeatInterval.Milliseconds()), "gossipSubSeenTtl")
assert.Equal(t, gossipSubSeenTTL, int(pubsub.TimeCacheDuration.Seconds()), "gossipSubSeenTtl")
}

func TestFanoutParameters(t *testing.T) {
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5 changes: 3 additions & 2 deletions beacon-chain/p2p/pubsub.go
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Expand Up @@ -25,7 +25,7 @@ const (
// gossip parameters
gossipSubMcacheLen = 6 // number of windows to retain full messages in cache for `IWANT` responses
gossipSubMcacheGossip = 3 // number of windows to gossip about
gossipSubSeenTTL = 550 // number of heartbeat intervals to retain message IDs
gossipSubSeenTTL = 768 // number of seconds to retain message IDs ( 2 epochs)

// fanout ttl
gossipSubFanoutTTL = 60000000000 // TTL for fanout maps for topics we are not subscribed to but have published to, in nano seconds
Expand Down Expand Up @@ -165,7 +165,8 @@ func pubsubGossipParam() pubsub.GossipSubParams {
// to configure our message id time-cache rather than instantiating
// it with a router instance.
func setPubSubParameters() {
pubsub.TimeCacheDuration = 550 * gossipSubHeartbeatInterval
seenTtl := 2 * time.Second * time.Duration(params.BeaconConfig().SlotsPerEpoch.Mul(params.BeaconConfig().SecondsPerSlot))
pubsub.TimeCacheDuration = seenTtl
}

// convert from libp2p's internal schema to a compatible prysm protobuf format.
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