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https://issues.apache.org/jira/browse/OAK-2891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chetan Mehrotra resolved OAK-2891.
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Resolution: Later
Fix Version/s: (was: 1.4)
So far it has not posed a problem and this feature is also rarely used. If need
arises can reopen the issue later
> Use more efficient approach to manage in memory map in LengthCachingDataStore
> -----------------------------------------------------------------------------
>
> Key: OAK-2891
> URL: https://issues.apache.org/jira/browse/OAK-2891
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: upgrade
> Reporter: Chetan Mehrotra
> Priority: Minor
>
> LengthCachingDataStore introduced in OAK-2882 has an in memory map for
> keeping the mapping between blobId and length. This would pose issue when
> number of binaries are very large.
> Instead of in memory map we should use some off heap store like MVStore of
> MapDB
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