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Posted to notifications@skywalking.apache.org by GitBox <gi...@apache.org> on 2020/08/14 11:03:16 UTC

[GitHub] [skywalking] Glenrun opened a new issue #5316: UI load balance doesn't work

Glenrun opened a new issue #5316:
URL: https://github.com/apache/skywalking/issues/5316


   
   Please answer these questions before submitting your issue.
   
   - Why do you submit this issue?
   - [ ] Question or discussion
   - [Y] Bug
   - [ ] Requirement
   - [ ] Feature or performance improvement
   
   ___
   ### Question
   - What do you want to know?
   ___
   ### Bug
   - Which version of SkyWalking, OS and JRE?
     skywalking 8.0 Alpine linux 3.9.4 openJDK 1.8.0_212
   
   - Which company or project?
     CCB
   - What happened?
   If possible, provide a way to reproduce the error. e.g. demo application, component version.
    UI ribbon load balancer doesn't work as expect. 
   1.  I setup two backend servers, using zookeeper cluster as coordinator, and configure the two backend server in UI's collector's ribbon section: listOfServers
   2. I shutdown one of the two backend server
   3. Open UI to do apm trace query, sometimes it fails, even after a long time trying.
   then, I added retry policy to ribbon, the request is still forwarded to the down server.
   Configuration:
   ![APM-UI-RETRY](https://user-images.githubusercontent.com/10444152/90242942-8b172d00-de60-11ea-978e-ea63f2e1e1a1.png)
   
   Error:
    
   ![APM-UI-ERROR](https://user-images.githubusercontent.com/10444152/90243061-c74a8d80-de60-11ea-98a1-06a98641cbed.png)
   
   ___
   ### Requirement or improvement
   - Please describe your requirements or improvement suggestions.
   
   
   
   


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[GitHub] [skywalking] wu-sheng closed issue #5316: UI load balance doesn't work

Posted by GitBox <gi...@apache.org>.
wu-sheng closed issue #5316:
URL: https://github.com/apache/skywalking/issues/5316


   


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[GitHub] [skywalking] wu-sheng commented on issue #5316: UI load balance doesn't work

Posted by GitBox <gi...@apache.org>.
wu-sheng commented on issue #5316:
URL: https://github.com/apache/skywalking/issues/5316#issuecomment-674755764


   I think we don't set up any live-detection mechanism, it is a standard Spring Zuul, you could set by yourself. Or use a load balance like Envoy/Nginx to make that happens.


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[GitHub] [skywalking] Glenrun commented on issue #5316: UI load balance doesn't work

Posted by GitBox <gi...@apache.org>.
Glenrun commented on issue #5316:
URL: https://github.com/apache/skywalking/issues/5316#issuecomment-674754221


   > This is a timeout, why you ask us?
   The backend server to be forward to is apm-backend-node1, it is down, so it is timeout.
   Why I asked this is because UI frontend should request a healthy server, not a already down one, right?
   @wu-sheng 
   


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[GitHub] [skywalking] wu-sheng commented on issue #5316: UI load balance doesn't work

Posted by GitBox <gi...@apache.org>.
wu-sheng commented on issue #5316:
URL: https://github.com/apache/skywalking/issues/5316#issuecomment-674035253


   This is a timeout, why you ask us?


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