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https://issues.apache.org/jira/browse/IGNITE-3339?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Goncharuk resolved IGNITE-3339.
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Resolution: Fixed
> get() in explicit READ_COMMITTED transaction on OFFHEAP_TIERED cache copies
> data from offheap to onheap.
> --------------------------------------------------------------------------------------------------------
>
> Key: IGNITE-3339
> URL: https://issues.apache.org/jira/browse/IGNITE-3339
> Project: Ignite
> Issue Type: Bug
> Components: cache
> Affects Versions: 1.6
> Reporter: Dmitry Karachentsev
> Fix For: 1.7
>
>
> On OFFHEAP_TIERED TRANSACTIONAL cache:
> 1. Put entry.
> 2. Cache size equals 1 and iterator returns one entry.
> 3. Open PESSIMISTIC READ_COMMITED transaction.
> 4. get() that value.
> 5. Commit transaction.
> 6. Cache size now equals 2 and iterator returns two identical entries.
> By fast investigation was found that after put() operation value goes to
> offheap. After get() operation in explicit transaction the same value appears
> in onheap and offheap iterators. As a result user sees two the same entries.
> Pull request with test that reproduces the bug:
> https://github.com/apache/ignite/pull/817
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