[jira] [Updated] (LUCENE-4848) Add Directory implementations using NIO2 APIs

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[jira] [Updated] (LUCENE-4848) Add Directory implementations using NIO2 APIs

JIRA jira@apache.org

     [ https://issues.apache.org/jira/browse/LUCENE-4848?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dawid Weiss updated LUCENE-4848:
--------------------------------

    Attachment: LUCENE-4848.patch.txt

Ok, so indeed background async io threads are a bit of a mess. The system threadpool is not marked with anything that would facilitate its filtering so a stack trace analysis is needed, which this patch does.

I opted *not* to override the default thread factory because it's never known when this thread factory will be constructed (it may be initialized before LuceneTestCase is instantiated) and, more importantly, I think we shouldn't be messing with the VM we're running on unless we really don't have a choice.

It should bounce a few jenkins machines to see if we have some leaks on other vendor VMs.
               

> Add Directory implementations using NIO2 APIs
> ---------------------------------------------
>
>                 Key: LUCENE-4848
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4848
>             Project: Lucene - Core
>          Issue Type: Task
>            Reporter: Michael Poindexter
>            Assignee: Uwe Schindler
>            Priority: Minor
>         Attachments: jdk7directory.zip, LUCENE-4848-MMapDirectory.patch, LUCENE-4848.patch, LUCENE-4848.patch, LUCENE-4848.patch, LUCENE-4848.patch, LUCENE-4848.patch.txt
>
>
> I have implemented 3 Directory subclasses using NIO2 API's (available on JDK7).  These may be suitable for inclusion in a Lucene contrib module.
> See the mailing list at http://lucene.markmail.org/thread/lrv7miivzmjm3ml5 for more details about this code and the advantages it provides.
> The code is attached as a zip to this issue.  I'll be happy to make any changes requested.  I've included some minimal smoke tests, but any help in how to use the normal Lucene tests to perform more thorough testing would be appreciated.

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