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https://github.com/ethereum/go-ethereum.git
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a9e66262af
This PR introduces two new metrics to monitor slow peers - One tracks the number of slow peers. - The other measures the time it takes for those peers to become "unfrozen" These metrics help with monitoring and evaluating the need for future optimization of the transaction fetcher and peer management, for example i n peer scoring and prioritization. Additionally, this PR moves the fetcher metrics into a separate file, `eth/fetcher/metrics.go`.
59 lines
3.7 KiB
Go
59 lines
3.7 KiB
Go
// Copyright 2025 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/
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// Contains the metrics collected by the txfetcher.
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package fetcher
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import "github.com/ethereum/go-ethereum/metrics"
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var (
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txAnnounceInMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/announces/in", nil)
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txAnnounceKnownMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/announces/known", nil)
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txAnnounceUnderpricedMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/announces/underpriced", nil)
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txAnnounceDOSMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/announces/dos", nil)
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txBroadcastInMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/broadcasts/in", nil)
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txBroadcastKnownMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/broadcasts/known", nil)
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txBroadcastUnderpricedMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/broadcasts/underpriced", nil)
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txBroadcastOtherRejectMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/broadcasts/otherreject", nil)
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txRequestOutMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/request/out", nil)
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txRequestFailMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/request/fail", nil)
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txRequestDoneMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/request/done", nil)
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txRequestTimeoutMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/request/timeout", nil)
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txReplyInMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/replies/in", nil)
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txReplyKnownMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/replies/known", nil)
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txReplyUnderpricedMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/replies/underpriced", nil)
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txReplyOtherRejectMeter = metrics.NewRegisteredMeter("eth/fetcher/transaction/replies/otherreject", nil)
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txFetcherWaitingPeers = metrics.NewRegisteredGauge("eth/fetcher/transaction/waiting/peers", nil)
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txFetcherWaitingHashes = metrics.NewRegisteredGauge("eth/fetcher/transaction/waiting/hashes", nil)
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txFetcherQueueingPeers = metrics.NewRegisteredGauge("eth/fetcher/transaction/queueing/peers", nil)
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txFetcherQueueingHashes = metrics.NewRegisteredGauge("eth/fetcher/transaction/queueing/hashes", nil)
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txFetcherFetchingPeers = metrics.NewRegisteredGauge("eth/fetcher/transaction/fetching/peers", nil)
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txFetcherFetchingHashes = metrics.NewRegisteredGauge("eth/fetcher/transaction/fetching/hashes", nil)
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txFetcherSlowPeers = metrics.NewRegisteredGauge("eth/fetcher/transaction/slow/peers", nil)
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// Note: this metric does not mean that the fetching of a transaction
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// was blocked by a specific peer during this period, since we request
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// another peer to fetch the same transaction hash.
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// The purpose of this metric is to measure how long it takes for a slow peer
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// to become "unfrozen", either by eventually replying to the request
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// or by being dropped, measuring from the moment the request was sent.
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txFetcherSlowWait = metrics.NewRegisteredHistogram("eth/fetcher/transaction/slow/wait", nil, metrics.NewExpDecaySample(1028, 0.015))
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)
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