[jira] [Assigned] (IGNITE-17228) Get rid of the checkpoint markers

["Kirill Tkalenko (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-17228?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kirill Tkalenko reassigned IGNITE-17228:
----------------------------------------

    Assignee: Kirill Tkalenko

> Get rid of the checkpoint markers
> ---------------------------------
>
>                 Key: IGNITE-17228
>                 URL: https://issues.apache.org/jira/browse/IGNITE-17228
>             Project: Ignite
>          Issue Type: Improvement
>            Reporter: Kirill Tkalenko
>            Assignee: Kirill Tkalenko
>            Priority: Major
>              Labels: ignite-3
>             Fix For: 3.0.0-alpha6
>
>
> In 2.0, each checkpoint creates *start* and *end* markers on disk to perform a binary recovery if the node crashed in the middle of the checkpoint (there is no *end* market) which allows us to save the consistency of *index.bin* files (a special group cache file that stores all the indexes of this group).
> Since there is no WAL in 3.0 and indexes will be in each partition file, there is no need for checkpoint markers.
>  
> What should be done:
> * Get rid of *org.apache.ignite.internal.pagememory.persistence.checkpoint.CheckpointMarkersStorage*;
> * Remove related tests;
> * If logical recovery is not yet supported, then we need to drop the node (throw exceptions at the start of the node) if we crashed in the middle of the checkpoint.



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