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https://issues.apache.org/jira/browse/IGNITE-10694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Ozerov updated IGNITE-10694:
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Labels: mvcc_stability (was: pagememory)
> MVCC: Possible recycled pages leak.
> -----------------------------------
>
> Key: IGNITE-10694
> URL: https://issues.apache.org/jira/browse/IGNITE-10694
> Project: Ignite
> Issue Type: Bug
> Components: mvcc
> Reporter: Roman Kondakov
> Priority: Major
> Labels: mvcc_stability
> Fix For: 2.8
>
>
> Let's consider the following scenario: put N items to cache and then remove
> all these N items. If you repeat this scenario two times, you expect that the
> same number of pages will be recycled each time. But for enabled MVCC this is
> not the case. Reproducers:
> *
> {{PageEvictionPagesRecyclingAndReusingTest#testPagesRecyclingAndReusingMvccTxPartitioned}}
> *
> {{PageEvictionPagesRecyclingAndReusingTest#testPagesRecyclingAndReusingMvccTxReplicated}}
> Perhaps this is because the vacuum does not clean deleted rows completely.
> Detailed investigation is needed.
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