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https://issues.apache.org/jira/browse/LUCENENET-643?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shad Storhaug resolved LUCENENET-643.
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Fix Version/s: Lucene.Net 4.8.0
Resolution: Fixed
The fix for this issue has been committed to master in
[5da2567ea771538a31566918066d01bde3b6af0f|https://github.com/apache/lucenenet/commit/5da2567ea771538a31566918066d01bde3b6af0f].
> NIOFSDirectory performance can be improved
> ------------------------------------------
>
> Key: LUCENENET-643
> URL: https://issues.apache.org/jira/browse/LUCENENET-643
> Project: Lucene.Net
> Issue Type: Task
> Components: Lucene.Net Core
> Affects Versions: Lucene.Net 4.8.0
> Reporter: Shad Storhaug
> Assignee: Shad Storhaug
> Priority: Major
> Fix For: Lucene.Net 4.8.0
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> The {{FileStreamExtensions::Read()}} method is copying bytes from the stream
> into a {{ByteBuffer}} one byte at a time. Performance can be improved by
> using an overload of {{Stream.Read()}} that accepts a byte array.
> If the {{ByteBuffer.HasArray}} property is {{true}}, a single read operation
> can be done to move the data into {{ByteBuffer.Array}}. Otherwise, the data
> must be copied into a temporary buffer before calling {{ByteBuffer.Put}}.
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