[jira] [Commented] (IGNITE-15814) [Native Persistence 3.0] Data Structures porting

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

    [ https://issues.apache.org/jira/browse/IGNITE-15814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17486499#comment-17486499 ] 

Ivan Bessonov commented on IGNITE-15814:
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[~ktkalenko@gridgain.com] looks good to me, thank you! Looking forward for more page memory code.

> [Native Persistence 3.0]  Data Structures porting
> -------------------------------------------------
>
>                 Key: IGNITE-15814
>                 URL: https://issues.apache.org/jira/browse/IGNITE-15814
>             Project: Ignite
>          Issue Type: Task
>          Components: persistence
>            Reporter: Sergey Chugunov
>            Assignee: Kirill Tkalenko
>            Priority: Major
>              Labels: ignite-3
>             Fix For: 3.0.0-alpha5
>
>          Time Spent: 3h 40m
>  Remaining Estimate: 0h
>
> h2. Goal
> In Ignite 3 we'll reuse basic data structures from Ignite 2 persistence codebase, but need to fix some design flaws and remove dependencies from WAL logging functionality as in Ignite 3 WAL is an external service.
> h2. Items to pay attention to
> Port data structures classes hierarchy: AbstraceDataStructure, -BPlusTree- and FreeList implementations (some implementations may not be necessary, they should be considered individually).
> Port existing unit tests whenever it doesn't require too much effort.
> Type parameters clarification in data structures is needed.
> h2. More details
> I think this issue should be concentrated on porting of Free List rather than BPlusTree. Maybe classes like Storable should be revisited. 



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