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https://issues.apache.org/jira/browse/OAK-5138?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tomek Rękawek resolved OAK-5138.
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Resolution: Fixed
> NodeCache.getIfPresent() may result in writing to persistent cache
> ------------------------------------------------------------------
>
> Key: OAK-5138
> URL: https://issues.apache.org/jira/browse/OAK-5138
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: cache, documentmk
> Affects Versions: 1.4.10, 1.5.14
> Reporter: Tomek Rękawek
> Assignee: Tomek Rękawek
> Priority: Minor
> Labels: candidate_oak_1_2, candidate_oak_1_4
> Fix For: 1.6, 1.5.15
>
> Attachments: OAK-5138.patch
>
>
> The NodeCache#getIfPresent() method checks whether the requested item exists
> either in the memCache or the persisted, multi-generational cache.
> If the item exists in the multi-generational cache, but not in the most
> recent (write) generation, it's being moved (so the MultiGenerationMap.put()
> method is invoked).
> As a result, the NodeCache#getIfPresent() method may result in a synchronous
> write, even in the [asynchronous mode|OAK-4882].
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