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chain_state.go
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chain_state.go
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package metrics
import (
"time"
"github.com/prometheus/client_golang/prometheus"
"github.com/iotaledger/wasp/packages/isc"
)
type ChainStateMetricsProvider struct {
blockCommitTimes *prometheus.HistogramVec
blockCommitNewTrieNodes *prometheus.CounterVec
blockCommitNewTrieValues *prometheus.CounterVec
blockPruneTimes *prometheus.HistogramVec
blockPruneDeletedTrieNodes *prometheus.CounterVec
blockPruneDeletedTrieValues *prometheus.CounterVec
}
func newChainStateMetricsProvider() *ChainStateMetricsProvider {
return &ChainStateMetricsProvider{
blockCommitTimes: prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "iota_wasp",
Subsystem: "state",
Name: "state_block_commit_times",
Help: "Time elapsed (s) committing blocks",
Buckets: execTimeBuckets,
}, []string{labelNameChain}),
blockCommitNewTrieNodes: prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "iota_wasp",
Subsystem: "state",
Name: "state_block_commit_new_trie_nodes",
Help: "Newly created trie nodes",
}, []string{labelNameChain}),
blockCommitNewTrieValues: prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "iota_wasp",
Subsystem: "state",
Name: "state_block_commit_new_trie_values",
Help: "Newly created trie values",
}, []string{labelNameChain}),
blockPruneTimes: prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "iota_wasp",
Subsystem: "state",
Name: "state_block_prune_times",
Help: "Time elapsed (s) pruning blocks",
Buckets: execTimeBuckets,
}, []string{labelNameChain}),
blockPruneDeletedTrieNodes: prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "iota_wasp",
Subsystem: "state",
Name: "state_block_prune_deleted_trie_nodes",
Help: "Deleted trie nodes",
}, []string{labelNameChain}),
blockPruneDeletedTrieValues: prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "iota_wasp",
Subsystem: "state",
Name: "state_block_prune_deleted_trie_values",
Help: "Deleted trie values",
}, []string{labelNameChain}),
}
}
func (p *ChainStateMetricsProvider) register(reg prometheus.Registerer) {
reg.MustRegister(
p.blockCommitTimes,
p.blockCommitNewTrieNodes,
p.blockCommitNewTrieValues,
p.blockPruneTimes,
p.blockPruneDeletedTrieNodes,
p.blockPruneDeletedTrieValues,
)
}
func (p *ChainStateMetricsProvider) createForChain(chainID isc.ChainID) *ChainStateMetrics {
return &ChainStateMetrics{
collector: p,
chainID: chainID,
}
}
type ChainStateMetrics struct {
collector *ChainStateMetricsProvider
chainID isc.ChainID
}
func (m *ChainStateMetrics) BlockCommitted(elapsed time.Duration, createdNodes, createdValues uint) {
labels := getChainLabels(m.chainID)
m.collector.blockCommitTimes.With(labels).Observe(elapsed.Seconds())
m.collector.blockCommitNewTrieNodes.With(labels).Add(float64(createdNodes))
m.collector.blockCommitNewTrieValues.With(labels).Add(float64(createdValues))
}
func (m *ChainStateMetrics) BlockPruned(elapsed time.Duration, deletedNodes, deletedValues uint) {
labels := getChainLabels(m.chainID)
m.collector.blockPruneTimes.With(labels).Observe(elapsed.Seconds())
m.collector.blockPruneDeletedTrieNodes.With(labels).Add(float64(deletedNodes))
m.collector.blockPruneDeletedTrieValues.With(labels).Add(float64(deletedValues))
}