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https://issues.apache.org/jira/browse/IGNITE-15012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17375982#comment-17375982
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Vyacheslav Koptilin commented on IGNITE-15012:
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Hello [~ktkale...@gridgain.com],

Thank you for the proposed PR. I left a couple of comments, please take a look.

> Adapting historical rebalance to segment release
> ------------------------------------------------
>
>                 Key: IGNITE-15012
>                 URL: https://issues.apache.org/jira/browse/IGNITE-15012
>             Project: Ignite
>          Issue Type: Improvement
>          Components: cache
>            Reporter: Kirill Tkalenko
>            Assignee: Kirill Tkalenko
>            Priority: Major
>             Fix For: 2.12
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> It is necessary to adapt the historical rebalance to the release of WAL 
> segments after their reservation. Since IGNITE-14952 will be automatically 
> released when the maximum is reached.
> This following proposal is part (*in bold*) of a discussion at [dev 
> list|http://apache-ignite-developers.2346864.n4.nabble.com/Exceeding-the-DataStorageConfiguration-getMaxWalArchiveSize-due-to-historical-rebalance-td52546.html]:
> Main proposal:
> When theDataStorageConfiguration#getMaxWalArchiveSize is reached, cancel and 
> do not give the reservation of the WAL segments until we reach 
> DataStorageConfiguration#getWalArchiveSize. In this case, *if there is no 
> segment for historical rebalance, we will automatically switch to full 
> rebalance.*



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