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Posted to notifications@skywalking.apache.org by "JavaLionLi (via GitHub)" <gi...@apache.org> on 2023/02/03 07:56:06 UTC

[GitHub] [skywalking] JavaLionLi opened a new issue, #10336: Performance analysis without data

JavaLionLi opened a new issue, #10336:
URL: https://github.com/apache/skywalking/issues/10336

   ### Search before asking
   
   - [X] I had searched in the [issues](https://github.com/apache/skywalking/issues?q=is%3Aissue) and found no similar issues.
   
   
   ### Apache SkyWalking Component
   
   OAP server (apache/skywalking)
   
   ### What happened
   
   ![image](https://user-images.githubusercontent.com/31852897/216542982-8f44f313-3c62-462e-ab09-1603d3550eb4.png)
   ![image](https://user-images.githubusercontent.com/31852897/216543030-06c670c2-d996-4ce6-82a3-8d5c3d36392c.png)
   ![image](https://user-images.githubusercontent.com/31852897/216543068-18769f0d-19d9-44c6-8576-b37d5e040e64.png)
   
   Unable to collect data
   Is which step wrong
   Please advise
   
   ### What you expected to happen
   
   Hope to collect data
   
   ### How to reproduce
   
   After connecting, create a new task and access interface, and wait until the task time is reached, and there is no data.
   
   ### Anything else
   
   _No response_
   
   ### Are you willing to submit PR?
   
   - [ ] Yes I am willing to submit a PR!
   
   ### Code of Conduct
   
   - [X] I agree to follow this project's [Code of Conduct](https://www.apache.org/foundation/policies/conduct)
   


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[GitHub] [skywalking] JavaLionLi commented on issue #10336: Performance analysis without data

Posted by "JavaLionLi (via GitHub)" <gi...@apache.org>.
JavaLionLi commented on issue #10336:
URL: https://github.com/apache/skywalking/issues/10336#issuecomment-1415272843

   sky 8.9.1


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[GitHub] [skywalking] JavaLionLi commented on issue #10336: Performance analysis without data

Posted by "JavaLionLi (via GitHub)" <gi...@apache.org>.
JavaLionLi commented on issue #10336:
URL: https://github.com/apache/skywalking/issues/10336#issuecomment-1415281761

   > Profiling is based on sampling, it could have no data if it happens occasionally. Also, v8 is EOL. We are not following it anymore.
   
   I have requested more than 10 times within the sampling time and still have no data.


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[GitHub] [skywalking] JavaLionLi commented on issue #10336: Performance analysis without data

Posted by "JavaLionLi (via GitHub)" <gi...@apache.org>.
JavaLionLi commented on issue #10336:
URL: https://github.com/apache/skywalking/issues/10336#issuecomment-1420131224

   > One more thing, you are trying to profile a webflux request? It is cross thread request process, you would get nothing. It is always too quick to finish. Recommend you read profiling doc first.
   
   Known problem, spring-gateway use is invalid, undertow use is invalid (version 2.2.22), tomcat is valid


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[GitHub] [skywalking] wu-sheng commented on issue #10336: Performance analysis without data

Posted by "wu-sheng (via GitHub)" <gi...@apache.org>.
wu-sheng commented on issue #10336:
URL: https://github.com/apache/skywalking/issues/10336#issuecomment-1415278927

   Profiling is based on sampling, it could have no data if it happens occasionally.
   Also, v8 is EOL. We are not following it anymore.


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[GitHub] [skywalking] wu-sheng commented on issue #10336: Performance analysis without data

Posted by "wu-sheng (via GitHub)" <gi...@apache.org>.
wu-sheng commented on issue #10336:
URL: https://github.com/apache/skywalking/issues/10336#issuecomment-1415279135

   Profiling is based on sampling, it could have no data if it happens occasionally.
   Also, v8 is EOL. We are not following it anymore.


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[GitHub] [skywalking] wu-sheng commented on issue #10336: Performance analysis without data

Posted by "wu-sheng (via GitHub)" <gi...@apache.org>.
wu-sheng commented on issue #10336:
URL: https://github.com/apache/skywalking/issues/10336#issuecomment-1415346832

   One more thing, you are trying to profile a webflux request? It is cross thread request process, you would get nothing. It is always too quick to finish.
   Recommend you read profiling doc first.


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[GitHub] [skywalking] wu-sheng closed issue #10336: Performance analysis without data

Posted by "wu-sheng (via GitHub)" <gi...@apache.org>.
wu-sheng closed issue #10336: Performance analysis without data
URL: https://github.com/apache/skywalking/issues/10336


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[GitHub] [skywalking] wu-sheng commented on issue #10336: Performance analysis without data

Posted by "wu-sheng (via GitHub)" <gi...@apache.org>.
wu-sheng commented on issue #10336:
URL: https://github.com/apache/skywalking/issues/10336#issuecomment-1415336075

   I can't tell what happens. You need to locate it by yourself first. I can only say, if requests are too fast, there is no profiling.


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