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https://issues.apache.org/jira/browse/IGNITE-4302?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15854224#comment-15854224
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Sergey Chugunov commented on IGNITE-4302:
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Adopted protocol to tolerate duplicate accepted messages as it turned out that
current implementation of discovery protocol doesn't guarantee exactly once
delivery of discovery messages.
Addressed an issue caused by metadata register requests are allowed to arrive
before discovery even started.
> Exchange binary metadata with discovery custom messages instead of system
> cache
> -------------------------------------------------------------------------------
>
> Key: IGNITE-4302
> URL: https://issues.apache.org/jira/browse/IGNITE-4302
> Project: Ignite
> Issue Type: Improvement
> Components: cache
> Reporter: Sergey Chugunov
> Assignee: Sergey Chugunov
> Fix For: 2.0
>
>
> h4. Notes
> See [IGNITE-4157|https://issues.apache.org/jira/browse/IGNITE-4157] for more
> details about context.
> h4. Acceptance Criteria
> # Binary metadata cache is deleted.
> # Binary metadata exchange is performed using *DiscoveryCustomMessage* events.
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