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https://issues.apache.org/jira/browse/IGNITE-13190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17242975#comment-17242975
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Sergey Chugunov commented on IGNITE-13190:
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[~ibessonov],
I looked through the code as well, it looks good to me.
As we have a green visa from TC bot, I merged it to master in commit
*09d5c73c467acf13408d22ab4198bff6c2c7d229*.
Thank you for this valuable contribution!
> 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
> Fix For: 2.10
>
> Time Spent: 20h 50m
> 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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