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I am looking for the metrics emitted by istio , but I find it weird that value returned by the metric istio_response_bytes_sum is almost double the value returned by istio_request_bytes_sum sum(rate(istio_response_bytes_sum{reporter="destination",destination_service_name="XXXXX"}[5m])) -> value -> 91.290 sum(rate(istio_request_bytes_sum{reporter="destination",destination_service_name="XXXXX"}[5m])) -> value -> 41.54

Please help [![request][1]][1]

[![response][2]][2]

Values are double here . [1]: https://i.stack.imgur.com/d8fKW.png [2]: https://i.stack.imgur.com/RrrLc.png

LKK
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  • Why do you think it's something out of ordinary? For example, if your service is heavily skewed to writing operations this kind of relation between received and responded bytes is normal. – markalex Jul 15 '23 at 06:19
  • Thanks @markalex , but this is my dev environment and the system is not under load , is this normal in that case ? – LKK Jul 15 '23 at 07:02
  • It's hard to definitively answer this without knowing what is going on in your system. But it is not out of ordinary to be worried about. Plus, I just noticed: values you showed contradict your statement: actually response value is two times more that request value. And it is very much usual situation. – markalex Jul 15 '23 at 07:36
  • Ah sorry it is actually response. is double ,editing my statement . Is there any way I can drill down to see what gets added in reposne , via kiali or so ? – LKK Jul 15 '23 at 08:02

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