Load balancer counters are reset to 0 if there are load balancer changes
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- Java
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Description
CloudStack uses haproxy in VR to implement the load balancer feature. If there are any load balancer changes (add/remove VMs, add/remove rules, etc), the haproxy configuration will be regenerated and haproxy service in VR will be reloaded.
We've found an issue that counters are reset to 0 after haproxy reload, which is incorrect because the existing connections are remain alive.
Before haproxy reload:
After haproxy reload:
An issue has been created in haproxy community: https://discourse.haproxy.org/t/stats-are-reset-to-0-after-haproxy-reload/8051
Users who monitor the load balancer connections, please pay attention to it.
##### ISSUE TYPE
* Bug Report
##### COMPONENT NAME
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VR
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##### CLOUDSTACK VERSION
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4.17
4.18
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##### CONFIGURATION
Advanced network
load balancer
##### OS / ENVIRONMENT
##### SUMMARY
##### STEPS TO REPRODUCE
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##### EXPECTED RESULTS
~~~
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##### ACTUAL RESULTS
~~~
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