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From "Davide Giannella (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (OAK-2891) Use more efficient approach to manage in memory map in LengthCachingDataStore
Date Mon, 07 Dec 2015 13:50:12 GMT

     [ https://issues.apache.org/jira/browse/OAK-2891?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Davide Giannella updated OAK-2891:
----------------------------------
    Fix Version/s:     (was: 1.3.12)
                   1.3.13

> 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
>             Fix For: 1.3.13
>
>
> 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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