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Configuration option to disable MetricCache completely

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This commit is contained in:
Thomas Roehl
2022-02-02 15:30:14 +01:00
parent 2c13cecf13
commit 1222f7a32f
2 changed files with 28 additions and 15 deletions
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34
internal/metricRouter/metricRouter.go
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@@ -95,17 +95,15 @@ func (r *metricRouter) Init(ticker mct.MultiChanTicker, wg *sync.WaitGroup, rout
cclog.ComponentError("MetricRouter", err.Error())
return err
}
numIntervals := r.config.NumCacheIntervals
if numIntervals <= 0 {
numIntervals = 1
}
r.cache, err = NewCache(r.cache_input, r.ticker, &r.cachewg, numIntervals)
if err != nil {
cclog.ComponentError("MetricRouter", "MetricCache initialization failed:", err.Error())
return err
}
for _, agg := range r.config.IntervalAgg {
r.cache.AddAggregation(agg.Name, agg.Function, agg.Condition, agg.Tags, agg.Meta)
if r.config.NumCacheIntervals >= 0 {
r.cache, err = NewCache(r.cache_input, r.ticker, &r.cachewg, r.config.NumCacheIntervals)
if err != nil {
cclog.ComponentError("MetricRouter", "MetricCache initialization failed:", err.Error())
return err
}
for _, agg := range r.config.IntervalAgg {
r.cache.AddAggregation(agg.Name, agg.Function, agg.Condition, agg.Tags, agg.Meta)
}
}
r.config.dropMetrics = make(map[string]bool)
for _, mname := range r.config.DropMetrics {
@@ -244,7 +242,9 @@ func (r *metricRouter) Start() {
}
// Start Metric Cache
r.cache.Start()
if r.config.NumCacheIntervals > 0 {
r.cache.Start()
}
r.wg.Add(1)
go func() {
@@ -266,7 +266,9 @@ func (r *metricRouter) Start() {
}
// even if the metric is dropped, it is stored in the cache for
// aggregations
r.cache.Add(p)
if r.config.NumCacheIntervals > 0 {
r.cache.Add(p)
}
case p := <-r.recv_input:
// receive from receive manager
@@ -316,8 +318,10 @@ func (r *metricRouter) Close() {
// wait for close of channel r.timerdone
<-r.timerdone
}
r.cache.Close()
r.cachewg.Wait()
if r.config.NumCacheIntervals > 0 {
r.cache.Close()
r.cachewg.Wait()
}
}
// New creates a new initialized metric router