[jira] [Assigned] (IGNITE-13190) Core defragmentation functions

["Ivan Bessonov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-13190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan Bessonov reassigned IGNITE-13190:
--------------------------------------

    Assignee: Ivan Bessonov  (was: Semyon Danilov)

> Core defragmentation functions
> ------------------------------
>
>                 Key: IGNITE-13190
>                 URL: https://issues.apache.org/jira/browse/IGNITE-13190
>             Project: Ignite
>          Issue Type: Sub-task
>            Reporter: Sergey Chugunov
>            Assignee: Ivan Bessonov
>            Priority: Major
>              Labels: IEP-47
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> The following set of functions covering defragmentation happy-case needed:
>  * Initialization of defragmentation manager when node is started in maintenance mode.
>  * Information about partition files is gathered by defrag mgr.
>  * For each partition file corresponding file of defragmented partition is created and initialized.
>  * Keys are transferred from old partitions to new partitions.
>  * Checkpointer is aware of new partition files and flushes defragmented memory to new partition files.
>  
> No fault-tolerance code nor index defragmentation mappings are needed in this task.



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