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Posted to oak-issues@jackrabbit.apache.org by "Davide Giannella (JIRA)" <ji...@apache.org> on 2015/10/15 12:12:14 UTC

[jira] [Closed] (OAK-3501) PersistedCompactionMap could release reference to records early

     [ https://issues.apache.org/jira/browse/OAK-3501?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Davide Giannella closed OAK-3501.
---------------------------------

Bulk close for 1.3.8

> PersistedCompactionMap could release reference to records early
> ---------------------------------------------------------------
>
>                 Key: OAK-3501
>                 URL: https://issues.apache.org/jira/browse/OAK-3501
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: segmentmk
>            Reporter: Alex Parvulescu
>            Assignee: Alex Parvulescu
>            Priority: Minor
>              Labels: compaction, gc
>             Fix For: 1.3.8
>
>         Attachments: OAK-3501-v2.patch, OAK-3501.patch
>
>
> Whenever a PersistedCompactionMap becomes empty it will be eventually dropped from the compaction maps chain. this will happen on the next compaction cycle, which happens post-cleanup. so we're potentially keeping a reference to some collectable garbage for up to 2 cycles.
> I'd like to propose a patch that allows for eagerly nullifying the reference to the records, making this interval shorter.



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