[ http://issues.apache.org/jira/browse/LUCENE-753?page=all ]
Yonik Seeley updated LUCENE-753:
--------------------------------
Attachment: FileReadTest.java
Attaching test that reads a file in different ways, either random access or
serially, from a number of threads.
> Use NIO positional read to avoid synchronization in FSIndexInput
> ----------------------------------------------------------------
>
> Key: LUCENE-753
> URL: http://issues.apache.org/jira/browse/LUCENE-753
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Store
> Reporter: Yonik Seeley
> Attachments: FileReadTest.java, FSIndexInput.patch, FSIndexInput.patch
>
>
> As suggested by Doug, we could use NIO pread to avoid synchronization on the
> underlying file.
> This could mitigate any MT performance drop caused by reducing the number of
> files in the index format.
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