[infinispan-issues] [JBoss JIRA] (ISPN-6879) Calculate (and expose) minimum number of nodes for data in Infinispan

[William Burns (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-6879?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13481214#comment-13481214 ] 

William Burns commented on ISPN-6879:
-------------------------------------

I am not certain of the benefit in this case. Even if you go from 100 nodes down to 10, you would have lost ~90% of your entries and there is no way to know which ones were lost and which ones were kept.

As long as numOwners < numNodes, I don't see the real benefit as you would have to throttle the nodes going down to guarantee that data isn't lost. I personally don't see a user wanting to sit there for minutes just to shut down a subset of nodes. More than likely they would want to say I want X nodes. Can we not (OpenShift or us) shut them down in an orderly fashion to do this instead? This seems much safer and wouldn't have as many user input errors.

> Calculate (and expose) minimum number of nodes for data in Infinispan
> ---------------------------------------------------------------------
>
>                 Key: ISPN-6879
>                 URL: https://issues.jboss.org/browse/ISPN-6879
>             Project: Infinispan
>          Issue Type: Feature Request
>          Components: Cloud Integrations, Server
>            Reporter: Sebastian Łaskawiec
>            Assignee: William Burns
>
> With Kubernetes autoscaling we need to be able to tell what is the minimum amount of nodes necessary for hosting data (probably some sort of size + number of nodes estimation).



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