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https://issues.apache.org/jira/browse/IGNITE-14198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17311034#comment-17311034
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Andrey N. Gura commented on IGNITE-14198:
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[~Berkov] 2 and 3 question are out of scope.
I don't understand 1st question. So could you please start discussion on
dev-list instead of JIRA issue?
> Define interface for meta storage client
> ----------------------------------------
>
> Key: IGNITE-14198
> URL: https://issues.apache.org/jira/browse/IGNITE-14198
> Project: Ignite
> Issue Type: New Feature
> Reporter: Andrey N. Gura
> Assignee: Andrey N. Gura
> Priority: Major
> Labels: iep-61, ignite-3
> Fix For: 3.0.0-alpha2
>
> Time Spent: 9h 10m
> Remaining Estimate: 0h
>
> Interface for meta storage client should be defined in order to unblock
> development and unit-testing.
> Interface implementation is not needed on this stage.
> We need to crystallize the metastorage interface prototype from the IEP to
> understand how it will be integrated with other system components.
> Need to cover:
> * Asynchrony aspects
> * Possible error codes (connection failure -> unknown result vs Raft failure
> -> known result, etc)
> * Complex multi-updates (aka transactions)
> * Watchers. Each node can watch all updates and filter locally or adjust the
> watched ranges dynamically (consistency is important here)
> These interfaces are considered "client" interfaces as they will be available
> on all nodes in the cluster
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