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From "John Diss (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENENET-530) Create a truly Memory Mapped Directory type as MMapDirectory is not really memory mapped
Date Tue, 10 Dec 2013 12:33:08 GMT

     [ https://issues.apache.org/jira/browse/LUCENENET-530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

John Diss updated LUCENENET-530:
--------------------------------

    Description: MemoryMappedDirectory is  directory which uses OS memory mapping. I originally
thought it was  readonly, but now I better understand the underlying filesystem I think it
behaves normally, subject to IndexReader.ReOpen() etc  (was: MemoryMappedDirectory is a "write
once" / readonly directory which uses OS memory mapping )

> Create a truly Memory Mapped Directory type as MMapDirectory is not really memory mapped
> ----------------------------------------------------------------------------------------
>
>                 Key: LUCENENET-530
>                 URL: https://issues.apache.org/jira/browse/LUCENENET-530
>             Project: Lucene.Net
>          Issue Type: Improvement
>          Components: Lucene.Net Contrib
>    Affects Versions: Lucene.Net 3.0.3
>         Environment: x64 asp.net mvc 5
>            Reporter: John Diss
>            Assignee: Itamar Syn-Hershko
>            Priority: Minor
>              Labels: features
>         Attachments: lucene.net.contrib.store.patch
>
>
> MemoryMappedDirectory is  directory which uses OS memory mapping. I originally thought
it was  readonly, but now I better understand the underlying filesystem I think it behaves
normally, subject to IndexReader.ReOpen() etc



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