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https://issues.apache.org/jira/browse/IGNITE-8414?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17036037#comment-17036037
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Alexey Scherbakov commented on IGNITE-8414:
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[~Pavlukhin]
[The
proof|https://issues.apache.org/jira/browse/IGNITE-12662?focusedCommentId=17035396&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-17035396]
> In-memory cache should use BLAT as their Affinity Topology
> ----------------------------------------------------------
>
> Key: IGNITE-8414
> URL: https://issues.apache.org/jira/browse/IGNITE-8414
> Project: Ignite
> Issue Type: Improvement
> Reporter: Eduard Shangareev
> Assignee: Eduard Shangareev
> Priority: Major
> Labels: IEP-4, Phase-2
>
> Now in-memory caches use all active server nodes as affinity topology and it
> changes with each node join and exit. What differs from persistent caches
> behavior which uses BLAT (BaseLine Affinity Topology) as their affinity
> topology.
> It causes problems:
> - we lose (in general) co-location between different caches;
> - we can't avoid PME when a non-BLAT node joins cluster;
> - implementation should consider 2 different approaches to affinity
> calculation.
> To handle these problems we should make in-memory and persistent cache work
> similar.
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