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https://issues.apache.org/jira/browse/DIRECTMEMORY-40?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13176612#comment-13176612
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Raffaele P. Guidi commented on DIRECTMEMORY-40:
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Also, about this:
"I found more natural to have 2 list of pointers"
it used to be like this a long time ago but then I realized that moving
pointers from a list to another should be "transactional" (not literally, of
course) and also causes a lot of garbage collection. Having switched to a
single list approach - with josql on top of it (select * from pointer where
free=true) feels pretty natural and solves both problems
> Pointers merging with adjacent free pointers when freeing.
> ----------------------------------------------------------
>
> Key: DIRECTMEMORY-40
> URL: https://issues.apache.org/jira/browse/DIRECTMEMORY-40
> Project: Apache DirectMemory
> Issue Type: Improvement
> Reporter: Benoit Perroud
> Attachments: MemoryManagerServiceImplTest.java,
> OffHeapLinkedMemoryBuffer.java, modifiers.patch
>
>
> If one allocates lot of small objects till the buffer is full, and then free
> those objects, pointers are never merged together to allow further creation
> of bigger objects.
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