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Carles GarciaandGitHub
ecff132e51
* frontend: refactor metrics collection The main goal is to provide accurate inspected bytes metrics (and othes) in responses for a potential future fair-use policy. Until now, we were counting inspected bytes regardless of the cache. With this PR, the responses that come from cache do not count towards inspected bytes. - ensure that we collect response metrics in the same way for all endpoints. - add cache header to querier responses, to indicate whether the response came from the cache - set 0 to metrics from cached querier responses * Update changelog * Ignore gosec integer conversion rule in a few lines
19 lines
275 B
Go
19 lines
275 B
Go
package combiner
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import "net/http"
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const (
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TempoCacheHeader = "X-Tempo-Cache"
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TempoCacheHit = "HIT"
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TempoCacheMiss = "MISS"
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)
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func IsCacheHit(resp *http.Response) bool {
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if resp == nil {
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return false
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}
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return resp.Header.Get(TempoCacheHeader) == TempoCacheHit
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}
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