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Latency spikes observed in frontend #2400

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dilinade opened this issue Feb 29, 2024 · 1 comment
Open

Latency spikes observed in frontend #2400

dilinade opened this issue Feb 29, 2024 · 1 comment
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priority: p2 Moderately-important priority. Fix may not be included in next release. type: bug Error or flaw in code with unintended results or allowing sub-optimal usage patterns.

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@dilinade
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I've deployed the microservices-demo on GKE, and while querying a single product (/product/{ID}) using Locust, I'm encountering intermittent latency spikes. The request rate is approximately 10 RPS. The spikes seem to originate from three different places

  • CurrencyService/GetSupportedCurrencies
  • hipstershop.CurrencyService/Convert
  • hipstershop.CartService/GetCart

I enabled tracing and obtained the following traces:

Normal Trace : RTT 20ms
Screenshot from 2024-02-29 09-49-57

Spike 1 : RTT 616ms
Screenshot from 2024-02-29 09-48-59

Spike 2 : RTT 333ms
Screenshot from 2024-02-29 09-49-17

Has anyone else encountered similar latency spikes? Are there any insights into why these spikes might occur, or is there any aspect that might have been overlooked in the deployment or configuration?
@dilinade dilinade changed the title Latency Spikes Observed in microservices-demo Latency Spikes Observed in frontend Mar 3, 2024
@bourgeoisor bourgeoisor added type: bug Error or flaw in code with unintended results or allowing sub-optimal usage patterns. priority: p2 Moderately-important priority. Fix may not be included in next release. labels Apr 17, 2024
@bourgeoisor
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Hi @dilinade! I'm not able to reproduce this on my end. Are you still running into this?

@bourgeoisor bourgeoisor changed the title Latency Spikes Observed in frontend Latency spikes observed in frontend Apr 18, 2024
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priority: p2 Moderately-important priority. Fix may not be included in next release. type: bug Error or flaw in code with unintended results or allowing sub-optimal usage patterns.
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