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Comments (19)

wu-sheng avatar wu-sheng commented on July 21, 2024

What do you mean shutdown apm? Backend or agent?

And when do you shutdown? 7-10?

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zouyx avatar zouyx commented on July 21, 2024

shutdown agent.

first release at 3.14 21:00.
and restart twice.
first restart at 3.15 10:00, but i haven't realized the root cause.
second time at 3.16 14:00, at the same time shutdown agent.

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wu-sheng avatar wu-sheng commented on July 21, 2024

But, after 3.16 1400, the cpu is still high. You said the agent shutdown.

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zouyx avatar zouyx commented on July 21, 2024

no , this is idle time

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wu-sheng avatar wu-sheng commented on July 21, 2024

I see. How many throughputs of your application?

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zouyx avatar zouyx commented on July 21, 2024

this app is avg 1 qps

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zouyx avatar zouyx commented on July 21, 2024

image

Flame graph in v1.0

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zouyx avatar zouyx commented on July 21, 2024

image

Flame graph in v1.1

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ascrutae avatar ascrutae commented on July 21, 2024

It seems like the CPU usage rate of V1.1 is better than V1.0's. I saw that the serialized object of GRPC Node.js costs lots of CPU time in V1.0, and I will investigate this problem.

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wu-sheng avatar wu-sheng commented on July 21, 2024

If the QPS is just 1, why does gRPC run in such high frequency? What is your strategy of activating gRPC? @ascrutae

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ZhouBox avatar ZhouBox commented on July 21, 2024

I had the same problem, so I temporarily removed the AMP part.

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zouyx avatar zouyx commented on July 21, 2024

@ZhouBox which version did you used?

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ZhouBox avatar ZhouBox commented on July 21, 2024

@zouyx 0.1.5

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zouyx avatar zouyx commented on July 21, 2024

SkyAPM-nodejs 0.1.5?

i fixed this problem in 1.1.0, you can try it out

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ZhouBox avatar ZhouBox commented on July 21, 2024

@zouyx sorry, I use skyapm-egg-require 0.1.5, SkyAPM-nodejs use 1.1.2.

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zouyx avatar zouyx commented on July 21, 2024

Ref #71

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wuliupo avatar wuliupo commented on July 21, 2024

+1

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zouyx avatar zouyx commented on July 21, 2024

@wuliupo i think this is new version for js as below

https://github.com/apache/skywalking-client-js

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wu-sheng avatar wu-sheng commented on July 21, 2024

@zouyx No, it isn't. That is for browser specific.

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