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Question

DO Load Balancer limits

Posted December 19, 2019 1.2k

Load Balancing DigitalOcean Managed Load Balancers

Hi,

My service may keep connections (TCP) alive for a few minutes. I have read that there is a limit of 60 seconds and 10k connections. My questions are:

Will the TCP connections to my service be closed after 60 seconds?
What happens after my service is handling 10k connections? I.e.: what happens with the 10001 attempt to connect?

Thanks in advance

By:

brunokakele

edited by bobbyiliev

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1 answer

arstoykov December 24, 2019

Keepalive doesn’t mean that the connection will get closed after 60 seconds, it means that the connection will get closed after 60 seconds of inactivity.
The 10001th connection will not be accepted - the user will get timed out.

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brunokakele December 25, 2019

Thanks! Are there any tips if I were to need more than 10k active connections?
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- arstoykov December 25, 2019
  
  If you have more than 10k concurrent users - call me :D
  In all seriousness, you can create your own load balancer in that case.
  
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  brunokakele December 25, 2019
  
  Just planning for the worse :) For my use case, 10k is reachable, as I will be establishing long duration connections.
  
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