lucene-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Michael McCandless (JIRA)" <>
Subject [jira] Commented: (LUCENE-753) Use NIO positional read to avoid synchronization in FSIndexInput
Date Sat, 30 Aug 2008 17:35:44 GMT


Michael McCandless commented on LUCENE-753:

I just committed revision 690539, adding NIOFSDirectory.  I will leave this open, but move
off of 2.4, until we can get similar performance gains on Windows...

> Use NIO positional read to avoid synchronization in FSIndexInput
> ----------------------------------------------------------------
>                 Key: LUCENE-753
>                 URL:
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Store
>            Reporter: Yonik Seeley
>            Assignee: Michael McCandless
>         Attachments:,,,,,,, FSDirectoryPool.patch, FSIndexInput.patch,
FSIndexInput.patch, LUCENE-753.patch, LUCENE-753.patch, LUCENE-753.patch, LUCENE-753.patch,
LUCENE-753.patch, lucene-753.patch, lucene-753.patch
> As suggested by Doug, we could use NIO pread to avoid synchronization on the underlying
> This could mitigate any MT performance drop caused by reducing the number of files in
the index format.

This message is automatically generated by JIRA.
You can reply to this email to add a comment to the issue online.

To unsubscribe, e-mail:
For additional commands, e-mail:

View raw message