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Best answer by Ravi_Pampana

Hi,

If you have a load balancer in-front of dispatcher then you can take 1 dispatcher out of load balancer which inturn removes the publisher accessing for end users. By this we can avoid downtime to the site while upgrading the publisher which is took out of rotation.

 

Once the changes are done in the publisher we can put back the dispatcher to load balancer and take out the other publisher and do the same.

 

Hope this helps!

3 replies

Ankur_Khare
Community Advisor
Ankur_KhareCommunity Advisor
Community Advisor
May 24, 2020

I assume you have two publish instances running.

Then make 1 publish down and upgrade or do what ever you want to do with that mean time second instance will be up.

    Ravi_Pampana
    Community Advisor
    Ravi_PampanaCommunity AdvisorAccepted solution
    Community Advisor
    May 24, 2020

    Hi,

    If you have a load balancer in-front of dispatcher then you can take 1 dispatcher out of load balancer which inturn removes the publisher accessing for end users. By this we can avoid downtime to the site while upgrading the publisher which is took out of rotation.

     

    Once the changes are done in the publisher we can put back the dispatcher to load balancer and take out the other publisher and do the same.

     

    Hope this helps!

      ArpitVarshney
      Community Advisor
      ArpitVarshneyCommunity Advisor
      Community Advisor
      May 24, 2020

      Hi @rohan07 

       

      If you're planning to remove the publish instance from production permanently/temporarily then you might follow the below approach:

      • If you are using multiple dispatchers in your infrastructure then you can remove the one pointing to publisher that needs to be removed from the load balancer so that all of your requests will go to another publisher.
      • You need to disable the replication agent on author instance which points to your publisher which you are planning to remove else it will block your replication queue.
      • Update your dispatcher render configuration to remove the IP of the publisher which needs to be removed.

       

      If you want to remove the publisher temporarily(for an upgrade) then you can revert these changes once it is upgraded.

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