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Report a metric for the size of gappy state blocks #194

Merged
merged 3 commits into from
Jul 10, 2023
Merged

Report a metric for the size of gappy state blocks #194

merged 3 commits into from
Jul 10, 2023

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DMRobertson
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@DMRobertson DMRobertson commented Jul 10, 2023 •
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Sanity-checked that this worked by running TestGappyState and polling metrics:

$ curl -s localhost:6060/metrics | grep gappy
# HELP sliding_sync_poller_gappy_state_size Number of events in a state block during a sync v2 gappy sync
# TYPE sliding_sync_poller_gappy_state_size histogram
sliding_sync_poller_gappy_state_size_bucket{le="1"} 1
sliding_sync_poller_gappy_state_size_bucket{le="10"} 1
sliding_sync_poller_gappy_state_size_bucket{le="100"} 1
sliding_sync_poller_gappy_state_size_bucket{le="1000"} 1
sliding_sync_poller_gappy_state_size_bucket{le="10000"} 1
sliding_sync_poller_gappy_state_size_bucket{le="+Inf"} 1
sliding_sync_poller_gappy_state_size_sum 1
sliding_sync_poller_gappy_state_size_count 1

David Robertson added 2 commits July 10, 2023 14:26
Report a metric for the size of gappy state blocks
41a7240
Log error message to stdout if poller panics
5064f64 
otherwise we only see the error message if we're using sentry.
@DMRobertson DMRobertson force-pushed the dmr/metric-for-gappy-state branch from 357d2e8 to 5064f64 Compare July 10, 2023 13:26
@DMRobertson DMRobertson marked this pull request as ready for review July 10, 2023 13:57
kegsay
kegsay reviewed Jul 10, 2023
View reviewed changes
sync2/poller.go
@@ -741,3 +755,10 @@ func (p *poller) trackTimelineSize(size int, limited bool) {
}
p.timelineSizeVec.WithLabelValues(label).Observe(float64(size))
}

func (p *poller) trackGappyStateSize(size int) {
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You never call this?

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🤦 committed locally but not pushed.

@DMRobertson DMRobertson merged commit ea25b81 into dmr/debug-from-stable Jul 10, 2023
@DMRobertson DMRobertson deleted the dmr/metric-for-gappy-state branch July 12, 2023 11:09
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@kegsay kegsay kegsay approved these changes

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@DMRobertson @kegsay