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add performance metrics to gossipsub (#2346)

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* add performance metrics to gossipsub

* add changelog entry

* Re-export open-client-metrics crate

* Added some extra metrics

* More metrics

* Additional metrics

* Correct topic encoding

* More manual encoding of metric labels

* Clean up metric labelling

* Improve heartbeat duration buckets

* Remove re-export

Co-authored-by: Age Manning <Age@AgeManning.com>
This commit is contained in:
Divma
2021-12-21 17:31:19 -05:00
committed by GitHub
parent 379001a1d0
commit 17861d9cac
7 changed files with 539 additions and 177 deletions
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16
protocols/gossipsub/src/peer_score.rs
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@@ -21,6 +21,7 @@
//!
//! Manages and stores the Scoring logic of a particular peer on the gossipsub behaviour.
use crate::metrics::{Metrics, Penalty};
use crate::time_cache::TimeCache;
use crate::{MessageId, TopicHash};
use instant::Instant;
@@ -212,8 +213,14 @@ impl PeerScore {
}
}
/// Returns the score for a peer.
/// Returns the score for a peer
pub fn score(&self, peer_id: &PeerId) -> f64 {
self.metric_score(peer_id, None)
}
/// Returns the score for a peer, logging metrics. This is called from the heartbeat and
/// increments the metric counts for penalties.
pub fn metric_score(&self, peer_id: &PeerId, mut metrics: Option<&mut Metrics>) -> f64 {
let peer_stats = match self.peer_stats.get(peer_id) {
Some(v) => v,
None => return 0.0,
@@ -264,6 +271,9 @@ impl PeerScore {
- topic_stats.mesh_message_deliveries;
let p3 = deficit * deficit;
topic_score += p3 * topic_params.mesh_message_deliveries_weight;
if let Some(metrics) = metrics.as_mut() {
metrics.register_score_penalty(Penalty::MessageDeficit);
}
debug!(
"[Penalty] The peer {} has a mesh message deliveries deficit of {} in topic\
{} and will get penalized by {}",
@@ -313,6 +323,9 @@ impl PeerScore {
if (peers_in_ip as f64) > self.params.ip_colocation_factor_threshold {
let surplus = (peers_in_ip as f64) - self.params.ip_colocation_factor_threshold;
let p6 = surplus * surplus;
if let Some(metrics) = metrics.as_mut() {
metrics.register_score_penalty(Penalty::IPColocation);
}
debug!(
"[Penalty] The peer {} gets penalized because of too many peers with the ip {}. \
The surplus is {}. ",
@@ -600,6 +613,7 @@ impl PeerScore {
"[Penalty] Message from {} rejected because of ValidationError or SelfOrigin",
from
);
self.mark_invalid_message_delivery(from, topic_hash);
}