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Posted to issues@ignite.apache.org by "Kirill Tkalenko (Jira)" <ji...@apache.org> on 2022/07/04 09:38:00 UTC

[jira] [Updated] (IGNITE-17295) Preparing a PartitionMetaIo for a DeltaFilePageStore

     [ https://issues.apache.org/jira/browse/IGNITE-17295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kirill Tkalenko updated IGNITE-17295:
-------------------------------------
    Description: 
To implement the *DeltaFilePageStore*, we need to prepare *org.apache.ignite.internal.storage.pagememory.io.PartitionMetaIo*:
* *PartitionMetaIo*  should not be in *PageMemory* - allows us to shrink off-heap memory;
* *FilePageStore#allocatedBytes* to make it logical and stored in *PartitionMetaIo* - we can store the index or the number of pages or the number of bytes;

> Preparing a PartitionMetaIo for a DeltaFilePageStore
> ----------------------------------------------------
>
>                 Key: IGNITE-17295
>                 URL: https://issues.apache.org/jira/browse/IGNITE-17295
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Kirill Tkalenko
>            Assignee: Kirill Tkalenko
>            Priority: Major
>              Labels: ignite-3
>             Fix For: 3.0.0-alpha6
>
>
> To implement the *DeltaFilePageStore*, we need to prepare *org.apache.ignite.internal.storage.pagememory.io.PartitionMetaIo*:
> * *PartitionMetaIo*  should not be in *PageMemory* - allows us to shrink off-heap memory;
> * *FilePageStore#allocatedBytes* to make it logical and stored in *PartitionMetaIo* - we can store the index or the number of pages or the number of bytes;



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