[ https://issues.apache.org/jira/browse/IGNITE-11704?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maxim Muzafarov reassigned IGNITE-11704:
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Assignee: (was: Maxim Muzafarov)
> Write tombstones during rebalance to get rid of deferred delete buffer
> ----------------------------------------------------------------------
>
> Key: IGNITE-11704
> URL: https://issues.apache.org/jira/browse/IGNITE-11704
> Project: Ignite
> Issue Type: Improvement
> Reporter: Alexey Goncharuk
> Priority: Major
> Labels: rebalance
>
> Currently Ignite relies on deferred delete buffer in order to handle write-remove conflicts
during rebalance. Given the limit size of the buffer, this approach is fundamentally flawed,
especially in case when persistence is enabled.
> I suggest to extend the logic of data storage to be able to store key tombstones - to
keep version for deleted entries. The tombstones will be stored when rebalance is in progress
and should be cleaned up when rebalance is completed.
> Later this approach may be used to implement fast partition rebalance based on merkle
trees (in this case, tombstones should be written on an incomplete baseline).
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