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https://issues.apache.org/jira/browse/IGNITE-18394?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksandr Polovtcev updated IGNITE-18394:
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Description:
We want to use the learner mechanism in MetaStorage, i.e. a learner is started
on every Ignite node if it isn't already a voting member of the MetaStorage
Group.
This will allow us to simplify the current implementation in the following ways:
1. Get rid of a pull model based on Watchers. Instead all updates will arrive
at the Raft listener.
2. Simplify MetaStorage Raft storage due to the removal of the Watch
functionality.
3. Remove a local copy of the MetaStorage from the Vault.
> Metastorage learners support
> ----------------------------
>
> Key: IGNITE-18394
> URL: https://issues.apache.org/jira/browse/IGNITE-18394
> Project: Ignite
> Issue Type: Epic
> Reporter: Aleksandr Polovtcev
> Assignee: Aleksandr Polovtcev
> Priority: Major
> Labels: ignite-3
>
> We want to use the learner mechanism in MetaStorage, i.e. a learner is
> started on every Ignite node if it isn't already a voting member of the
> MetaStorage Group.
> This will allow us to simplify the current implementation in the following
> ways:
> 1. Get rid of a pull model based on Watchers. Instead all updates will arrive
> at the Raft listener.
> 2. Simplify MetaStorage Raft storage due to the removal of the Watch
> functionality.
> 3. Remove a local copy of the MetaStorage from the Vault.
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