[infinispan-issues] [JBoss JIRA] (ISPN-5545) Make lazy near caching more selective

[Tristan Tarrant (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-5545?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13078059#comment-13078059 ] 

Tristan Tarrant commented on ISPN-5545:
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Thinking about using bloom filters for this ?

> Make lazy near caching more selective
> -------------------------------------
>
>                 Key: ISPN-5545
>                 URL: https://issues.jboss.org/browse/ISPN-5545
>             Project: Infinispan
>          Issue Type: Enhancement
>            Reporter: Galder Zamarreño
>            Assignee: Galder Zamarreño
>
> In the current form, when lazy near caching is enabled, the server sends invalidation messages for any key that has been created, modified or removed.
> This is suboptimal for a couple of reasons:
> 1. First of all, a near cache might only interested in receiving invalidation events for those keys that are currently stored in the near cache. If the near cache is small subset of the entire cache, having such option would vastly reduce the number of events sent to clients. So, there needs to be a way to be able to narrow the events sent from the server to this subset of keys.
> 2. Lazy near caches do not care about created events. If an entry is present in the near cache, it has already been created, so it's only interested in modified and removed events. There needs to be a way to narrow this down too.



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