Changes between Initial Version and Version 2 of Ticket #2026


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Timestamp:
08/17/20 08:29:32 (16 months ago)
Author:
Nuru
Comment:

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  • Ticket #2026 – Description

    initial v2  
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    7 This causes a dramatic increase in CPU and Memory usage. I am not sure if the client is retrying that quickly (client is Amazon Web Services Network Load Balancer Health Check), but even if it is, Nginx should throttle upstream connection attempts by default to some reasonable health check limit.
     7This causes a dramatic increase in CPU and Memory usage. I am not sure if the client is retrying that quickly (client is Amazon Web Services Network Load Balancer Health Check), but even if it is, Nginx should throttle upstream connection attempts according to [https://docs.nginx.com/nginx/admin-guide/load-balancer/tcp-health-check/#passive-tcp-health-checks the Passive TCP Health Checks documentation]:
     8
     9  The default values are 10 seconds and 1 attempt. So if a connection attempt times out or fails at least once in a 10‑second period, NGINX marks the server as unavailable for 10 seconds
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    911See also: https://github.com/kubernetes/ingress-nginx/issues/5425