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https://issues.apache.org/jira/browse/LUCENENET-425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Digy updated LUCENENET-425:
---------------------------
Description:
Since this is not a direct port of MMapDirectory.java, I'll put it under
"Support" and implement MMapDirectory as
{code}
public class MMapDirectory:Lucene.Net.Support.MemoryMappedDirectory
{
}
{code}
If a Mem-Map can not be created(for ex, if the file is too big to fit in 32 bit
address range), it will default to FSDirectory.FSIndexInput
In my tests, I didn't see any performance gain in 32bit environment and I
consider it as better then nothing.
I would be happy if someone could send test results on 64bit platform.
DIGY
was:
Since this is not a direct port of MMapDirectory.java, I'll put it under
"Support" and implement MMapDirectory as
{code}
public class
MMapDirectory:Lucene.Net.Support.MemoryMappedDirectory:Lucene.Net.Support.MemoryMappedDirectory
{
}
{code}
If a Mem-Map can not be created(for ex, if the file is too big to fit in 32 bit
address range), it will default to FSDirectory.FSIndexInput
In my tests, I didn't see any performance gain in 32bit environment and I
consider it as better then nothing.
I would be happy if someone could send test results on 64bit platform.
DIGY
> MMapDirectory implementation
> ----------------------------
>
> Key: LUCENENET-425
> URL: https://issues.apache.org/jira/browse/LUCENENET-425
> Project: Lucene.Net
> Issue Type: New Feature
> Affects Versions: Lucene.Net 2.9.4g
> Reporter: Digy
> Priority: Trivial
> Fix For: Lucene.Net 2.9.4g
>
> Attachments: MMapDirectory.patch
>
>
> Since this is not a direct port of MMapDirectory.java, I'll put it under
> "Support" and implement MMapDirectory as
> {code}
> public class MMapDirectory:Lucene.Net.Support.MemoryMappedDirectory
> {
> }
> {code}
> If a Mem-Map can not be created(for ex, if the file is too big to fit in 32
> bit address range), it will default to FSDirectory.FSIndexInput
> In my tests, I didn't see any performance gain in 32bit environment and I
> consider it as better then nothing.
> I would be happy if someone could send test results on 64bit platform.
> DIGY
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