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Posted to issues@ignite.apache.org by "Kirill Gusakov (Jira)" <ji...@apache.org> on 2021/11/28 19:16:00 UTC

[jira] [Updated] (IGNITE-16010) setBaseline method must write new baseline to metastore

     [ https://issues.apache.org/jira/browse/IGNITE-16010?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kirill Gusakov updated IGNITE-16010:
------------------------------------
        Parent:     (was: IGNITE-14209)
    Issue Type: Task  (was: Sub-task)

> setBaseline method must write new baseline to metastore
> -------------------------------------------------------
>
>                 Key: IGNITE-16010
>                 URL: https://issues.apache.org/jira/browse/IGNITE-16010
>             Project: Ignite
>          Issue Type: Task
>            Reporter: Kirill Gusakov
>            Priority: Major
>
> Current org.apache.ignite.Ignite#setBaseline method updates assignments directly and does not save baseline as a separate source of truth anywhere.
> Instead, it should store new baseline configuration to metastore (in future it can be baseline per table). This metastore key update will be a trigger for listeners to update appropriate assignments.
> This approach provides the generalized way of baseline changing and further processing of this event by rebalancing the algorithm, for example.



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