[jira] [Updated] (IGNITE-6308) BaselineTopology is created on first cluster activation

["Sergey Puchnin (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-6308?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sergey Puchnin updated IGNITE-6308:
-----------------------------------
    Labels: IEP-4  (was: )

> BaselineTopology is created on first cluster activation
> -------------------------------------------------------
>
>                 Key: IGNITE-6308
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6308
>             Project: Ignite
>          Issue Type: New Feature
>          Components: persistence
>            Reporter: Sergey Chugunov
>            Assignee: Sergey Chugunov
>              Labels: IEP-4
>             Fix For: 2.3
>
>
> h2. Use Cases
> * User starts up and activates brand-new grid. On activation BaselineTopology is created and persisted.
> * User starts up some (not all) nodes of old grid (BLT might be already presented on them) and activates new smaller grid.
> BLT is recreated with fewer number of nodes and replaces previous BLT in persistent storage.
> * User starts nodes of old grid (each node already has a BLT available locally). When all nodes presented in BLT are started grid is activated automatically.



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