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Add 'VStreamerCount' metric to vttablet #32

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Merged
timvaillancourt merged 7 commits into from
Dec 16, 2022
Merged

Add 'VStreamerCount' metric to vttablet #32

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d5331cc
Add 'VStreamersActive' metric to vttablet
timvaillancourt Dec 13, 2022
769341c
Remove lock
timvaillancourt Dec 14, 2022
68eb5fc
Merge remote-tracking branch 'origin/slack-vitess-r13.0.3' into vstre…
timvaillancourt Dec 14, 2022
1c8500b
Merge remote-tracking branch 'origin/set_super_read_only_false_defaul…
timvaillancourt Dec 14, 2022
d684d74
Merge remote-tracking branch 'origin/slack-vitess-r13.0.3' into vstre…
timvaillancourt Dec 15, 2022
d53f579
Upstream PR suggestions
timvaillancourt Dec 15, 2022
50fe87e
Upstream PR suggestions, pt 2
timvaillancourt Dec 15, 2022
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7 changes: 7 additions & 0 deletions go/vt/vttablet/tabletserver/vstreamer/engine.go
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Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,7 @@ func NewEngine(env tabletenv.Env, ts srvtopo.Server, se *schema.Engine, lagThrot
vstreamersEndedWithErrors: env.Exporter().NewCounter("VStreamersEndedWithErrors", "Count of vstreamers that ended with errors"),
errorCounts: env.Exporter().NewCountersWithSingleLabel("VStreamerErrors", "Tracks errors in vstreamer", "type", "Catchup", "Copy", "Send", "TablePlan"),
}
env.Exporter().NewGaugeFunc("VStreamerCount", "Current number of vstreamers", vse.getVStreamerCount)
env.Exporter().HandleFunc("/debug/tablet_vschema", vse.ServeHTTP)
return vse
}
Expand Down Expand Up @@ -375,6 +376,12 @@ func (vse *Engine) setWatch() {
})
}

func (vse *Engine) getVStreamerCount() int64 {
vse.mu.Lock()
defer vse.mu.Unlock()
return int64(len(vse.streamers))
}

func getPacketSize() int64 {
return int64(*defaultPacketSize)
}